A circle has an area of 30 in^2. What is the area of a 60 sector of this circle?
1 answer:
We use the ratio x:360 to find portions of the circle (again, through the ratio)
so we use 60/360 = x/30 in^2
1/6 = x/ 30
x = 5.
The answer is 5 in^2
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