Question

Find the value of x and y in the diagram below.

Answer 1

Answer:

D

Step-by-step explanation:

cos 30 = 9/x

x = 9/($\sqrt{3}/2$) = 6$\sqrt{3}$

(6$\sqrt{3}$)² - 9² = x²

x² = 27

x = 3$\sqrt{3}$