The circumference of a circle is 22π in. What is the area, in square inches? Express your answer in terms of \piπ.
1 answer:
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 = 
= 11
The area (A) of a circle is
A = πr² = π × 11² = 121π in²
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