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Anni [7]
3 years ago
11

work out the area of a circle with diameter 1.8cm. Take

t="\pi" align="absmiddle" class="latex-formula"> to be 3.142 and give your answer in 1 decimal place.
Mathematics
1 answer:
ankoles [38]3 years ago
8 0

Area of a circle is pi x r ^2

R = diameter/2

R = 1.8/2 = 0.9

Area = 3.142 x 0.9^2

Area = 2.5 square cm.

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