Question

Work out the length of x.

Answer 1

Answer:

x ≈ 17.1 m

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

x² = 9² + 14.5² = 81 + 210.25 = 291.25 ( take the square root of both sides )

x = $\sqrt{291.25}$ ≈ 17.1 m ( to 1 dec. place )