PLEAS HELP! What is the length of the unknown leg in the right triangle? Answers on second image.

Question

asked Mar 11, 2020 207k views

2 Answers

Ruben Bartelink · Answer 1 · 2020-03-13T00:49:17+0000

Answer:

b = 15

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 =
√(225) = 15