Question

find the area of circle whose diameter is 700dm
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Answer 1

Diameter = 700dm

Radius r = 700/2

= 350dm

Area of circle =

$\pi \times r ^{2}$

22/7 x 350 x 350

=385000dm Square

Answer 2

Step-by-step explanation:

d =700dm

to cm

=7000

r=d/2

= 7000/2

= 3500

r=3500

A=πr2

= 35002 × pi

≈3.84845×107

answer is 3.84cm^2

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