Question

In a 45°- 45°- 90° right triangle, the length of the hypotenuse is 15. How long are the legs?

Answer 1

here
45°-45°-90°
legs of triangle
=1/root 2× hypotenus
=1/root 2×15
=15/root 2
=15×root 2/root 2×root 2
=15 root 2/2
=7.5 root 2
=3.87