1972 AHSME Problems/Problem 1
Problem
The lengths in inches of the three sides of each of four triangles , and are as follows:
Of these four given triangles, the only right triangles are
Solution
Let's test out the four triangles:
I: (true)
II: (true)
III:
The only answer choice with I, II, and III in the answer is I, II, and III.