The circumference of a circle is 30π.
What is its area?
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The periphery of a circle is given by the recipe 2πr, where r is the span of the circle. Substitute the given circuit into this recipe and settle for r.
30π= 2πr.
Hence, the span of the circle is 15. Utilize this to discover the territory of the circle. The territory of a circle is given by the recipe A=πr
2. Substitute the length of the span into this recipe and ascertain the region.
A=π(15)2=225π
The circumference of a circle is given by the formula
.
Thus,
.
The area of a circle is given by
.
Thus, the area of the given circle is
.