Answer:
So simply we are putting values in equation
A2 A=2.3 So A2 means 2.3 × 2.3 The answer is 5.29
It would be d if the markup was that high
S = (n-2) x 180 to find the total angles.
5-2*180
3*180
540
540-86-140-138-59=117
B=-1.4 because -1.4•.8=-1.12
