The anwer is 3 because it 3
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
Answer: I got 14, 9, 0, then 14. but you might want to wait on someone to double check that
Step-by-step explanation: