Question

What is the height of the tree to the nearest foot?

20

34

35

which one of those choices

Answer 1

sine's rule

sine α = hypotenuse : opposite

opposite = height of the tree (h)

sin 60° = h : 40

h = 40 sin 60 =34.64 = 35 ft

Answer 2

35
You use Sin60degX40ft