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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,613

hi

See below for my graph. What did you get?

Bob

Good news about the other work.

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,766

Hi;

Congratulations for the 10.

For that problem I would not choose F.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**demha****Member**- Registered: 2012-11-25
- Posts: 195

Hi Bob,

Now seeing your image, I would go with D. But wouldn't it be considered as 4 right triangles that meet at a right angle?

"The thing about quotes on the Internet is you cannot confirm their validity"

~Abraham Lincoln

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,766

If you counted the exterior angles too. That is not one of the choices.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,613

hi demha,

I think you need to forget completely about the earlier question, where the answer was a rhombus. Start afresh with the four points.

If you plot them, look at the result and then join up, you get a rhombus. But I don't think that is what they expect you to do. I think I've met a similar Comp H question before like this. They expect you to join point one to point two, two to point three, three to point four, and finally back to point one again. If you do it like that you don't get a rhombus at all. You get what .... ????

The question doesn't make this clear but if rhombus was marked wrong then I recommend you go with ........ you tell me.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**demha****Member**- Registered: 2012-11-25
- Posts: 195

It looks like a tall diamond. If cut in half, it can make two triangles.

"The thing about quotes on the Internet is you cannot confirm their validity"

~Abraham Lincoln

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,613

Calling it a tall diamond is just another way of saying rhombus. You are seeing lines that are not there. The definition of a rhombus requires it to have four sides. What you have does NOT have four sides.

http://www.mathsisfun.com/definitions/rhombus.html

Earlier you said you would try answer D. That is what I would choose.

Bob

*Last edited by bob bundy (2013-09-25 19:41:50)*

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**demha****Member**- Registered: 2012-11-25
- Posts: 195

Alright so I sent in the my revision and got everything correct. Thanks all

I have another lesson I need help with. Would it be better to post here or make a new topic?

"The thing about quotes on the Internet is you cannot confirm their validity"

~Abraham Lincoln

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,766

New topic is best.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,613

Great news, well done!

Up to you where you post. I'll find it.

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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