Question

Hurry please! 30 points!

A ladder rests against the side of a barn. The tip of the ladder reaches 20 feet up the wall and the base of the ladder reaches a point on the ground 12 feet from the wall. About how tall is the ladder?

A. 23 ft
B. 16 ft
C. 12 ft
D. 9 ft

Answer 1

A - 23ft

Explanation:

Pythagorean theorem: 12^2 + 20^2 = X^2.

X^2 = 544. X = sqrt(544) which is around 23ft