Question

A ladder leans against a building, forming an agle of 57 with the ground. The base of the ladder is 4 feet from the building, as seen in the diagram. At what height does the ladder touch the building?

Answer 1

You know trigonometry, right?

Answer 2

not really lol..

Answer 3

use trignometric ratio to find h,
u know which one to use ?

Answer 4

ooh that helps alot. the 57 right?

Answer 5

do u know how to find tan 54 from that diagram ?

Answer 6

no ):

Answer 7

what is opposite side to angle 54 ?

Answer 8

sorry, angle 57

Answer 9

4

Answer 10

it's okay

Answer 11

nopes, 4 is adjacent side, h is opposite side
did u get how ?

Answer 12

yes thanks :)

Answer 13

so tan is the ratio of opposite to adjacent
tan 54 = h / 4
can u get h from here ?

Answer 14

yes