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Find the area of a circle with radius, r = 40cm. Give your answer rounded to 3 SF

Find the area of a circle with radius, r = 40cm. Give your answer rounded to 3 SF
asked 173k views
5 votes
Find the area of a circle with radius,

r
= 40cm.
Give your answer rounded to 3 SF

asked
User Xhudik
by
7.6k points

1 Answer

4 votes
Area of circle = pi x r^2
= 22/7 x 40^2
= 5028.57
= 5030cm^2 (3 SF)
answered
User Vomi
by
9.6k points
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