We know:

We have

Substitute:


Only 4 and 10 meet the requirements of the question.
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40 and 1 NOT, because 40 > 12
20 and 2 NOT, because 20 > 12
5 and 8 NOT because GCF(5, 8) = 1
Answer:
16π + 64
Step-by-step explanation:
So the whole circumference is 64π
A quarter is 16π
Then you just have to account for the two radii.
16π + 64
Answer:
The area of the circle is 314 in^2.
Step-by-step explanation:
10 inches is the radius.
The formula for the area of a circle is pi times radius squared.
So your equation would be: 
10^2 = 100
Then you do
or 3.14 times 10 = 314.1592654 or just 314.
Hope I helped ya.
<u><em>< Sarah ></em></u>
Answer:
The answer is choices D.
Step-by-step explanation:
hope this helps
Answer:
7x-11
Step-by-step explanation:
the need is to solve iy