The sum of the areas of two circles is 80π square meters. Find the length of a radius of each circle if one of them is twice as
long as the other.
What is the radius of the larger circle?
What is the radius of the larger circle?
2 answers:
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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.
