Question

Can someone help me!!!

Answer 1

Explanation:

`a.\\sin \theta =(12)/(13)\\\theta=sin ^(-1)((12)/(13)) \approx 67^\circ\\b.\\cos75=(x)/(13)\\x=13 cos ~75 \approx 7.5 ~ft`

it forms a right angled triangle.

ladder=hypotenuse.

side of house=perpendicular.

from the base of house to the foot of ladder on the ground=base