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#1 2017-03-26 11:44:29
- adpqadpq
- Member
- Registered: 2017-02-03
- Posts: 18
Help Please
What is the area in square units of the convex quadrilateral with vertices $(-1, 0)$, $(0, 1)$, $(2, 0)$ and $(0, -3)$?
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#2 2017-03-26 13:49:55
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Help Please
Hi;
There are a couple of ways to approach this type of problem. The best ones are computational but I suppose it can be done the classical way too.
Looks like you can break the shape up into 4 right triangles. Please try that and let me know how you do.
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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#3 2017-03-27 10:00:08
- adpqadpq
- Member
- Registered: 2017-02-03
- Posts: 18
Re: Help Please
I got six for my answer. It's correct. Thanks!
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#4 2017-03-27 11:46:55
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Help Please
That is correct!
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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