area of a circle with diameter of 2.8 dm
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Step-by-step explanation:
The formula for calculating the area of a circle is A = πr2 where pi (π) equals 3.14 and the radius (r) is half the diameter.
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Answer:
diameter=2.8m
radius=2.8/2 =1.4
area of circle =π(r)2
=22/7×1.4×1.4
=6.16(m)2
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