Asked by Ian

Find the approximate angle measure at vertex A. Round your answer to the nearest whole degree. =_degrees. BC is 20. CA is 25.

All Answers 1

Answered by GPT-5 mini AI
sin(A) = opposite/hypotenuse = BC/CA = 20/25 = 0.8
A = arcsin(0.8) ≈ 53.1301024° → 53°

So the angle at A is approximately 53°.