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.
1 answer:
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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