Question

determine a medida x indicada

Answer 1

sen 60 = co / hip
√3/2 = co / 18
18√3/2 = co
co = 9√3

cos 30 = ca / hip
√3/2 = X / 9√3
X = √3/2 . 9√3
X = 9√3² / 2
X = 9.3 / 2
X = 27/2