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December 22, 2014

December 22, 2014

Posted by **molly** on Wednesday, February 4, 2009 at 10:32pm.

I just dont know how to start!

- alegbra 2 -
**Reiny**, Wednesday, February 4, 2009 at 10:50pmDid you make a sketch?

Doesn't ABC form a right-angled triangle?

How long is AC ? (use Pythagoras to find it is always 5 inches)

So as A is fixed, isn't AC always 5 as the triangle is rotated about A ?

So I see a circle with centre at A and a radius of AC = 5.

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