Question

Answer to this please with EXPLANATION! BIG POINTS!!!

Answer 1

x = 4.64 units

Explanation:

cos(72) = x/15

x = 15cos(72)

x = 4.6352549156

Answer 2

Firstly, you have to find beta, by using triginometric function cosinus. And then use beta in the Cosine Law. X has to be smaller than the hipothenuse.