Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**ShivamS****Member**- Registered: 2011-02-07
- Posts: 3,640

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi ShivamS,

The solution M # 9 is perfect. Neat job!

M # 10. One side of a rectangular field is 15 meters and one of its diagonals is 17 meters. Find the area of of the field.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym,

The solution M # 10 is correct. Neat job!

M # 11. A lawn is in the form of a rectangle having its sides in the ratio 2:3. The area of the lawn is

hectares. Find the length and the breadth of the lawn.Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym,

M # 12. Find the cost of carpeting a room 13 meters long and 9 meters broad with a carpet 75 centimeters wide at the rate of $12.40 per square meter.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym,

M # 13. What will be the diagonal of that square plot whose area is equal to the area of a rectangular plot of length 45 meters and breadth 40 meters?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym,

The solution M # 13 is correct. Excellent!

M # 14. The length of a rectangle is 20% more than its breadth. What will be the ratio of the area of a retangle to that of a square whse side is equal the breadth of the rectangle?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym,

The solution M # 14 is correct. Excellent!

M # 15. The daigonal of a square is

centimeters. Find the diagonal of another square whose area is double that of the first square.Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym,

The solution M # 15 is correct. Good work!

M # 16. Of the two square areas, the area of one is 1 hectare while the other one is broader by 1%. Find the difference in their areas.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym

The solution M # 16 is perfect. Excellent!

M # 17. If the area of a triangle is 1176 square centimeters and base : corresponding altitude is 3:4, then find the altitude of the triangle.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym,

The solution M # 17 is perfect. Good work!

M # 18. A circle and a rectangle have the same perimeter. The sides of the retangle are 18 cm and 26 cm. Find the area of the circle.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 92,416

Hi;

**In mathematics, you don't understand things. You just get used to them.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 15,879

Hi bobbym,

The solution M # 18 is perfect. Neat work!

M # 19. In a circle of radius 7 centimeters, an arc subtends an angle of 108° at the center. Find the area of the sector.

Character is who you are when no one is looking.

Offline