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work out the area of a circle with diameter 1.8cm take pie to be 3.142 and give your answer to 1 decimal place.
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work out the area of a circle with diameter 1.8cm take pie to be 3.142 and give your answer to 1 decimal place.

User Huntsfromshadow
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Area of a circle = Pi x r^2
Area = Pi x 3.24
Area = 10.18...
Area = 10.2 cm
User Meysam Keshvari
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