Question

A farmer leans a 15-foot ladder against the side of a barn. She places the base of the ladder 6feet from the barn. How high up the barn does the ladder reach?A. 9 feetB. about 13.7 feetC. about 16.2 feetD. 21 feet

Answer 1

To determine h

By pythogorus theorem,

$h^2=15^2+6^2$$h^2=261$

Therefore,

$h=\sqrt[]{261}=16.155$

Therefore, the height is about 16.2 feet.

So the correct option is otion c.