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the radius of the circular lens of a magnifying glass is 4 centimeters what is the area in square centimeters of the glass
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May 8, 2018
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the radius of the circular lens of a magnifying glass is 4 centimeters what is the area in square centimeters of the glass
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Hans Musgrave
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The area of a circle is:
A=πr^2, where π is the constant pi and r is the radius of the circle.
In this case the radius is 4cm:
A=π(4^2) cm^2
A=16π cm^2 (exact)
A≈50.27 cm^2 (to the nearest hundredth of a square centimeter)
Keval Bhatt
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May 14, 2018
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Keval Bhatt
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