Question

What is the measure of angle A?

Enter your answer as a decimal in the box. Round only your final answer to the nearest hundredth

Answer 1

To find the measure of angle A set up a trig function, sin, cos otr tan.
Since all sides are know any ratio will work.
Sin A = opposite/hypotenuse
Sin A = 80/82
Sin-1 (80/82) = angle A
A= 77.32 degrees