Question

Find x to the nearest degree

Answer 1

56°

Explanation:

call the unknown side length L.

then 5² + L² = 9²

L² = 9² - 5²

=81 - 25

= 56

L =√56

(sin x)/√56 = (sin 90)/9

sin x = (√56 X sin 90)/9 = √56 /9

x = sin^-1 (√56 / 9)

= 56.25°

= 56° to nearest degree