A ladder leaning against a building makes an angle of 65 degrees with the ground and reaches a point on the building 20 feet abo

Question

aniked [119]

3 years ago

8

A ladder leaning against a building makes an angle of 65 degrees with the ground and reaches a point on the building 20 feet abo

ve the ground. what is the length of the ladder to the nearest foot.

Mathematics

1 answer:

lesya692 [45] · Answer 1 · 2022-02-19T13:49:50+03:00

lesya692 [45]3 years ago

5 0

22 feet. Using the sine rule theory: 20/sin(65)=x/sin(90). You know that it's 90 degrees because you assume the ground and the building make a 90 degree angle. So, you cross multiply and get 20sin(90)/xsin(65) and solve for x.