<PRE><B>Question 310779</B>
The lengths of the sides of four triangles are given. Which triangle is a right triangle?
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The square of the largest side must equal the sum of the squares of 
the other two sides.
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A) 6 in., 6 in., 6 in.:::: no
B) 8 in., 9 in., 10 in.::: no
C) 5 in., 9 in., 12 in.::: no
D) 9 in., 12 in., 15 in.:: yes
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Cheers,
Stan H.
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