Question

A kite string makes an angle of 70 degrees with the ground. How long will the string be when the kite is 25m from the ground measured vertically?

Answer 1

cos (θ) = adj/hyp

cos (70) = 25/x

x cos (70) = 25

x = 25/cos(70)

x = 73.10 m (nearest hundredth)

Answer: 73.10 m