Question

The lengths of the legs of a 45°-45°-90° triangle can be described by the expressions 4x – 12 and x + 6. What is the length of the legs of the triangle?​

Answer 1

12

Explanation:

Legs of 45-45-90 are equal so 4x-12=x+6.

3x=18, x=6

Plug back in and the length is 12