18. A 22 ft ladder is leaning up against a building at a 60° angle. How high up the building can this ladder reach, assuming the 60° angle is constant?
A) 22 ft.
B) 1173 ft.
C) 22v3 ft.
D) 11 ft.

x = 25

step-by-step explanation:

a^2+b^2=c^2

7^2+24^2=c^2

49+576=625

sqrt625=25

x=25

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative

true. i hope this ! go answer some of my newest