Angle 3 and angle 4 are supplementary angles and when added together need to equal 180 degrees.
To find angle 4 subtract angle 3 from 180.
Angle 4 = 180 - 101 = 79 degrees.
Answer:
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Step-by-step explanation:
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The length of each side of octagon is 1.66 inches.
Answer: 4 x 16 = 64
16 + 44 = 60
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Step-by-step explanation: