Find the circumference of the circle shown below if the diameter equals 20 inches. Use 3.14 for π.
1 answer:
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We see here in the diagram that the base is a. We know this because the height is perpendicular to it. We also know the height is bsin(C) which, when replace h for bsin(C) and a for the base, we get A=absin(C), which is the second option.
