Question

A 20-foot ladder is leaning against the side of a building. The bottom of the ladder is 4 feet from the wall. How many feet above the ground does the ladder touch the wall?
ANSWER CHOICES

A. 16 FT
B. √384 FT
C. 12 FT
D. √ 416 FT

Answer 1

\[(20)^2=4^2+x^2\]

Answer 2

Thanks.

Answer 3

:D YW

Answer 4

let me try to solve this.

Answer 5

sure :)

Answer 6

Hmm.

Answer 7

what?

Answer 8

let me give u the available answer choices

Answer 9

I think its B

Answer 10

400=x^2+16
400-16=x^2
x=19.59