Answer:
1. c) the angle is right angle and the measure is 90 degrees
2. ∠1 = 63 degrees
∠2 = 117 degrees
∠3 = 63 degrees
∠5 = 63 degrees
∠6 = 117 degrees
∠7 = 63 degrees
∠8 = 117 degrees
3. COA = 56
AOH = 55
HOG = 63
FOE = 55
