Subtract the sum of the two angles from 180 degrees. The sum of all the angles of a triangle always equals 180 degrees. Write down the difference you found when subtracting the sum of the two angles from 180 degrees. This is the value of X.
Answer:
9,4,0,1
Step-by-step explanation:
They give you different values for the X so all you have to do is plug in the X to the different equations
What's the problem you need help with
Answer:
The first one
Step-by-step explanation:
Answer:
153.94
Step-by-step explanation:
AB=πr2=π·72≈153.93804
