4.2³ = 74.088. If the 4.2 is accurate, this is actually not an estimate but an exact answer. You can of course round it to 74, then it becomes an estimate.
Answer:
187.25
Step-by-step explanation:
Exterior angle is equal to sum of interior opposite angles hence,
req. angle = 80 + 62 = 142
Answer:
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Step-by-step explanation:
did it on edge
Answer:
Step-by-step explanation: