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What is the area of a circle with radius 4.5 units, to the nearest hundredth?

What is the area of a circle with radius 4.5 units, to the nearest hundredth?
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What is the area of a circle with radius 4.5 units, to the nearest hundredth?

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User Simon Briche
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2 Answers

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The formula to find the area of a circle is: π r squared. So, 4.5 π squared = about 63.62
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User Spazznolo
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Area = π . r² = 3.14 × 4.5² = 63.62 square units.
In terms of circumference:Area = C2/(4π) = 28.272/4π = 799.19/(4 × 3.14) = 799.19/(12.56) = 63.62 square units.I hope this helped.... ;)
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User Dreaded Harvester
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