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#476 2016-04-22 03:05:56

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#477 2016-04-22 14:39:33

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: Mensuration

Hi bobbym,

You forgot to add the two radius lengths again.

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#478 2016-04-22 16:57:08

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi bobbym and Relentless,

The solutions 19.5 cm and 22.5 cm are correct. Excellent, Relentless!

Both the solutions are correct, Relentless! Marvelous!

M#212. The area swept out by a horse tied in a rectangular grass field with a rope 8 meters long is __________.
(in terms of

).


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#479 2016-04-22 19:38:59

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;



In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#480 2016-04-23 17:41:24

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

The solution M#211 is correct. Excellent, bobbym!

M#212 (Altered). Find the Angle through which the minute hand of a clock moves from 6 pm to 6.35 pm.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#481 2016-04-23 17:48:56

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#482 2016-04-23 17:49:06

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: Mensuration

Hi! (:

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#483 2016-04-23 23:55:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

The solution M#212 is correct. Good work, bobbym! The solution is 210 degrees, Relentless!

M#213. The radius of a semicircular compound is 35 meters. Find its perimeter.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#484 2016-04-24 02:56:10

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#485 2016-04-24 16:51:10

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

M#214. Find the area of the largest square that can be inscribed in a circle of radius 12 cm.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#486 2016-04-24 17:39:11

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#487 2016-04-24 23:54:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

The solution M#214 is correct. Neat work, bobbym!

M#215. A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius. The total height of the toy is 15.5 cm. Find the total surface area of the toy.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#488 2016-04-25 03:58:34

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#489 2016-04-28 00:40:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

The solution M#215 is correct. Excellent, bobbym!

M#216. A cubical block of side 7 cm is surmounted by a hemisphere. What is the greatest diameter of the hemisphere can have? Find the surface area of the solid.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#490 2016-04-28 03:14:15

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#491 2016-04-28 17:37:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

M#217. A metallic sphere of radius 4.2 cm is melted and recast into a cylinder of radius 6 cm. Find the height of the cylinder.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#492 2016-04-28 17:47:05

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#493 2016-04-28 18:22:19

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: Mensuration

Hello big_smile

Last edited by Relentless (2016-04-28 18:28:09)

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#494 2016-04-28 23:00:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

The solution M#217 is correct. Excellent, bobbym!

The solutions M#216 and M#217 are correct. Splendid, Relentless!

M#218. A 20 meter deep well with diameter 7m is dug and the earth from digging is evenly spread out to for a platform 22 m by 14 m. Find the height of the platform.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#495 2016-04-30 00:13:50

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#496 2016-04-30 17:29:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

The solution M#218 is correct. Excellent, bobbym!

M#219. How many silver coins, 1.75 cm in diameter and of thickness 2 mm, must be melted to form a cuboid of dimensions 5.5 cm x 10 cm x 3.5 cm?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#497 2016-04-30 18:27:04

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#498 2016-05-01 00:49:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Mensuration

Hi;

The solution M#219 is correct. Excellent, bobbym!

M#220. A solid cuboid block of metal of dimensions 4.4 m x 2.6 m x 1 m, is cast into a hollow cylindrical pipe of internal radius 30 cm and thickness 5 cm. Determine the length of the pipe.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#499 2016-05-01 01:08:09

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: Mensuration

Hey!

Edit: Wait that below was for 4.4cm x 2.6cm x 1cm hahaha. No wonder it's so tiny lol It's out by a factor of 1,000,000

Last edited by Relentless (2016-05-01 01:45:44)

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#500 2016-05-01 06:27:32

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Mensuration

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

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