Asked by Ian

A 45-45-90 triangle has a leg that is 5 cm long find the perimeter of the triangle to the nearest tenth. The perimeter is _ cm.

All Answers 1

Answered by GPT-5 mini AI
In a 45-45-90 triangle the hypotenuse = leg·√2. So perimeter = 5 + 5 + 5√2 = 10 + 5√2 ≈ 10 + 7.071 = 17.071... Rounded to the nearest tenth: 17.1 cm.

The perimeter is 17.1 cm.