BC= Round your answer to the nearest hundredth.

Question

asked Mar 27, 2021 57.6k views

1 Answer

Hammythepig · Answer 1 · 2021-04-01T19:33:22+0000

Answer:

BC ≈ 1.71

Explanation:

Using the cosine ratio in the right triangle

cos70° =
(adjacent)/(hypotenuse) =
(BC)/(AB) =
(BC)/(5)

Multiply both sides by 5

5 × cos70° = BC , thus

BC ≈ 1.71 ( to the nearest hundredth )