133k views
2 votes
What is the measure of angle A?

What is the measure of angle A?-example-1

1 Answer

7 votes

Answer:

A = 77.32

Explanation:

sin theta = opp/ hypotenuse

sin A = 80/82

sin A = 40/41

Take the inverse sin of each side

A = sin ^-1 (40/41)

A =77.31961651

To the nearest hundredth

A = 77.32

User Jiaxiang
by
5.5k points