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OpenStudy (danielpreece):
What is the exact area of a circle with a radius of 19 m? A.361pi m² B. 57pi m² C.38pi m² D.19pi m²
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rishavraj (rishavraj):
\[Area ~~= ~~\pi \times r^2\]
OpenStudy (drummergirl7):
Hi can u help me plz!
OpenStudy (triciaal):
r is the radius and leave pi as pi when you substitute in the formula given above
OpenStudy (triciaal):
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