Question

A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 ft. Find the length of the ladder if the length is four ft more than the distance from the wall.

Answer 1

pythag it

Answer 2

144+16 = 160

sqrt(160)

Answer 3

gotta read the entire q i spose lol

Answer 4

12^2 + (l+4)^2 = l^2

Answer 5

got those backwards....

Answer 6

144 + l^2 = l^2 +16 +8l

Answer 7

128 -8l = 0

8(16 -l) l = 16; so ladder = 20?

Answer 8

12^2 +16^2 = 20^2 maybe?

Answer 9

20 ft looks right to me

Answer 10

thanks.

Answer 11

144
256
----
400 yep

Answer 12

medal