You were playing fetch with your dog and accidentally
threw the toy and it got stuck on the roof of your
house. You leaned the ladder against your house at a
30° angle of elevation. The foot of the ladder is 7 feet
from the foot of the house. How long is your ladder?
Let the length of the ladder, the angle of elevation, the height of the house, and the distance from the foot of the house to the foot of the ladder.
From the right triangle
Then
Given
Substitute
The ladder is 8.1 foot long.
Comments
Leave a comment