A ladder 20 feet long leans against the side of a house. find the height from the top of the ladder to the ground if the angle o

Question

iogann1982 [59]

3 years ago

11

A ladder 20 feet long leans against the side of a house. find the height from the top of the ladder to the ground if the angle o

f elevation of the ladder is 80.

Mathematics

1 answer:

Y_Kistochka [10] · Answer 1 · 2021-12-15T14:05:31+03:00

Y_Kistochka [10]3 years ago

3 0

Sine you know that the angle is eighty, you could use twenty times sin80. Sin 80 represents opposite of hypotenuse, so 20 is the hypotenuse, canceling the denominator out giving the height only.