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Please HELPP!!!!! I badly need this. Math, Geometry, circle unit.

Please HELPP!!!!! I badly need this. Math, Geometry, circle unit.-example-1
User Ferruh
by
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1 Answer

5 votes

Answer:

36 π and 12 π respectively.

Explanation:

To find the area of a circle, we do πr^2. For circumference, we do 2πr, where r is the radius. Since we know the diameter of this circle is 12, and we know the radius is half the diameter, then:

12/2 = 6 = r

knowing r, we can find out the area and the circumference. The area is:

πr^2 = π 6^2, so it is 36π for the area. The circumference is:
2πr = 2 π 6 = 12π.

User Fancy John
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