Question

Solve for x. Round your answer to the nearest tenth.

Answer 1

x ≈ 17.5

Explanation:

Using Pythagoras' identity in the right triangle

x² = 9² + 15² = 81 + 225 = 306 ( take the square root of both sides )

x =
`√(306)` ≈ 17.5 ( to the nearest tenth )

Answer 2

17.5

Step-by-step explanation:

`15^(2)+9^(2)= 306\\`

`√(306) = 17.5`