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Salsk061 [2.6K]
2 years ago
8

The circumference of a circle is 22π in. What is the area, in square inches? Express your answer in terms of \piπ.

Mathematics
1 answer:
Len [333]2 years ago
4 0

Answer:

A = 121π in²

Step-by-step explanation:

The circumference (C) of a circle is

C = 2πr ( r is the radius )

Here C = 22π , that is

2πr = 22π ( divide both sides by 2π )

r = \frac{22\pi }{2\pi } = 11

The area (A) of a circle is

A = πr² = π × 11² = 121π in²

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