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If the diameter of the circle above is 20 mm, what is the area of the circle? A. 100 mm2 B. 400 mm2 C. 20 mm2 D. 10 mm2

2 Answers

3 votes

Answer:

100π.

Explanation:

User Vdenotaris
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3 votes

Answer:

The answer is 100π.

Explanation:

Since the diameter of the circle is 20mm, the radius of the circle is 20/2 = 10mm.

The formula for area of a circle is π*r^2. If we substitute r for 10, we get the final answer as 100π or about 314.16.

User CNeo
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