Using 22/7 as an approximate for π, estimate the area of a circle with diameter 28 mm.

Could you please provide answer as soon as possible please?

Many thanks.
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2 Answers

serkel, diameter=28, so radius=14

area=pi* r^2

r^2=14^2=196

pi=3.14159265...

Area=615.75
by
the answer would be 616 if using 22/7 as pi. :)
by

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