Answer:
144 mm²
Explanation:
First you find the radius which is the diameter. The radius is which equals twelve. Then you find the area using the equation where A is the area and r is the radius. Substituting 12 for r, you get 144 mm²
Answer: 1809.56
Step-by-step explanation: Find The Radius Of A Quarter (Half Of The Diameter) Then Square The Radius, Or Multiply It By Itself. Then, Multiply The Squared Radius By Pi, Or 3.14, To Get The Area.
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