Carlos calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle is it?

Four triangles A, B, C, D are shown from left to right. Triangle A has a side labeled as 2 and another side labeled as 3, and the included right angle is shown. Triangle B has one side labeled as 3 and the other as 6 and the included obtuse angle is shown. Triangle C has one side labeled as 2 and the other also as 2 and the included acute angle is shown. Triangle D has one side labeled as 4 and the other as 3, and the included obtuse angle is shown.

A

B

C

D

Question

Annabella Gray

Mathematics

31 May, 13:36

Carlos calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle is it?

Four triangles A, B, C, D are shown from left to right. Triangle A has a side labeled as 2 and another side labeled as 3, and the included right angle is shown. Triangle B has one side labeled as 3 and the other as 6 and the included obtuse angle is shown. Triangle C has one side labeled as 2 and the other also as 2 and the included acute angle is shown. Triangle D has one side labeled as 4 and the other as 3, and the included obtuse angle is shown.

A

B

C

D

+2

Answers (2)

Know the Answer?

Anabella · Answer 1

It is A because the Pythagoras theorem is only applicable to a right angled triang

Echo · Answer 2

The answer is the second triangle. We are given the information that it has a right angle. The Pythagorean theorem only works on right triangle. The other three triangle we don't know if there is a right angle on them.