Question

Denise calculated the missing side length of one of these triangles using the Pythagorean theorem. which triangle is it ?

A
B
C
D

Answer 1

D

Explanation:

The Pythagorean theorem can only be applied if it is a right triangle and none of the other answers are right triangles therefore the answer is D.

Answer 2

D, because the Pythagorean theorem can only be used in the case of a right-angled triangle