Posted by **Help** on Thursday, December 6, 2012 at 9:54pm.

2) which set of measure could be the side lengths of a right triangle?

A. 0.9 cm, 1.2 cm, 1.5 cm

B. 4 in, 4 in, 4 in

C. 7 m, 8m, 9m******

D. 2ft, 3ft, 4ft

- Math -
**Steve**, Thursday, December 6, 2012 at 10:44pm
nope. Think of your ubiquitous 3-4-5 right triangle

(A) is that same triangle, scaled by .3

It's obvious that (C) is wrong, since 7^2+8^2 = 49+64 = 113, not 9^2=81

On a question like this, even if you're guessing, at least check to make sure your answer fits!

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