If, in a right triangle,
θ
=
21
∘
θ=21∘
and the side adjacent to
θ
θ
has length
3
3
, how long is the side opposite to
θ
θ
? round to at least 3 decimal places.

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations