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I tried using Pythagorean Theorem to solve the first problem but it didn't work out so well for me >.<
I believe the second one is A. just need to know if I am correct :)
First one :
We can use the tangent here
tan (90 - 27) = d / 42 where d is what we are looking for
tan (63) = d / 42 multiply both sides by 42
42 * tan (63) = d = 82.4 ft ≈ 82 ft