The radius of a circle is 7 cm find it's
1) dimeter 2) area 3) circumference
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given radius = 7 cm
π =22/7
diameter = 2 x radius
d =2 x 7
d = 14 cm
Diameter = 14 cm
2). area of a circle =πr square
,, ,, ,, ,, = 22/7(7)square
=22 x 7 =154 cm square
Area is 154 cm square
3) . circumference of circle = 2πr
,, ,, ,, ,, = 2 x22/7 x 7 = 44cm
circumference = 44 cm.
I hope you are satisfied dear
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