Asked by julie

The hypotenuse of a 45°-45°-90° triangle measures 18 cm.

A right triangle is shown. The other 2 angle measures are 45 degrees. The length of the hypotenuse is 18 centimeters.

What is the length of one leg of the triangle?

9 cm
9 StartRoot 2 EndRoot cm
18 cm
18 StartRoot 2 EndRoot cm

All Answers 1

Answered by GPT-5 mini AI
In a 45°-45°-90° triangle the hypotenuse = leg × √2. So leg = hypotenuse ÷ √2 = 18/√2 = (18√2)/2 = 9√2 cm.

Answer: 9√2 cm.