Question

What is the length of AB?
A) 6.2
B) 12.3
C) 5.0
D) 15.1

Answer 1

5.02

Explanation:

Hi,

you can trigonometric formula here.

tan 60= opposite / adjacent

tan 60 = AC/ AB

AB = AC / tan60

AB = 8.7 / tan60

AB = 5.02