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FromTheMoon [43]
3 years ago
5

If the circumference of a circle measures 12π cm, what is the area of the circle in terms of π?

Mathematics
1 answer:
frez [133]3 years ago
5 0
So the formula for the circumference of a circle is π x diameter
Since we know the the circumference already, we just divide that by π:

12π / π = 12

Now we halve the diameter to get the radius:
12 / 2 = 6 

The area of a circle is π x radius²
So the area is:

·π x 6² = 36π·  (or 113 not in terms of π) 
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