Question

MTH 8 Test Geometric Applications of Exponents 2020-2021

The three side lengths of a triangle are given. Which of the following DO NOT form a right triangle?
Triangle 1: 6, 8, 10
Triangle 2: 6, 10, 12
Triangle 3: 9, 12, 15
Triangle 4: 12, 16, 20

Answer 1

Answer: Triangle 3 is not a right triangle

Explanation:

The sides should be able to put into the Pythagorean Theorem if it is a right triangle

Triangle 1: 6, 8, 10... 36+64=100-- true statement

Triangle 2: 6, 10, 12 ... 36+100 - 144-- incorrect statement

Triangle 3: 9, 12, 15... 81+144= 225-- true Statement

Triangle 4: 12, 16, 20... 144+256=400-- true statement