Question

Use the image to answer the question.

a triangle upper A upper B upper C
▶Click for Long Desc

If h=10
meters and m∠C = 39°
, then what is the length of side a
? Round your answer to the nearest whole number.

(1 point)

Answer 1

Assuming h is the hypotenuse, a = h cos C = 10·cos(39°) ≈ 7.77, so a ≈ 8 meters.