A right triangle follows the Pythagorean theorem: a^2 + b^2 = c^2
Let’s work out the problems
1. 20^2 + 72^2 = 75^2
40 + 5184 = 5625
False
2. 40^2 + 74^2 = 85^2
1600 + 5476 = 7225
False
3. 45^2 + 60^2 = 75^2
2025 + 3600 = 5625
True
The correct answer is (45, 60, 75)