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svp [43]
3 years ago
10

Find the circumference and area of a circle with a diameter of 22 inches. Leave your answers in terms of pi. (4 points) C = 11π;

A = 44π C = 22π; A = 44π C = 11π; A = 121π C = 22π; A = 121π
Mathematics
2 answers:
Iteru [2.4K]3 years ago
7 0

Answer:

C = 22π; A = 121π.

Step-by-step explanation:

To find the circumference of a circle, you do pi times the diameter. That would be 22pi.

To find the area of a circle, you do pi * r^2. The radius is the diameter divided by 2. That is 22 / 2, which is 11. Then, the area would be pi * 11^2 = pi * 121 = 121pi.

So, C = 22pi; A = 121pi.

Hope this helps!

Paha777 [63]3 years ago
4 0

Answer:

C = 22π, A = 121π

Step-by-step explanation:

formula for circumference is C=2πr. C= 2π(11) therefore C=22π

formula for are is A=πr² therefore  A=π(11)²= 121π

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