Question

PLEAS HELP!

What is the length of the unknown leg in the right triangle?

Answers on second image.

Answer 1

Answer:

The answer is 15 m.

Step-by-step explanation:

Answer 2

Answer:

b = 15

Step-by-step explanation:

Using Pythagoras' theorem on the right triangle, that is

20² + b² = 25²

400 + b² = 625 ( subtract 400 from both sides )

b² = 225 ( take the square root of both sides )

b = $\sqrt{225}$ = 15