Answer:
90 degrees
Step-by-step explanation:
BCO = 66
The whole ABC is 180
So BCO and BDO = 90
Therefore BAO must = 90 degrees
Answer:
check your eggs
Step-by-step explanation:
Answer:
A = 77.32
Step-by-step 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