1.

The area of a circle is 61.6 CM square find the circumference ​

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Secondary School 

 

Math 

 

5 points

Find (a) the diameter (b) the radius of each circle , GIVEN the circumference as{TAKE 22/7} i)22CM ii)8.8m iii)61.6m

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 by Zidan57 04.11.2018

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TharunKorivi 

 

Ace

Circumference of the circle=2×piexr/pie×d

i)22cm

Diameter=Circumference of the circle/pie

=22÷22/7

=7cm

Radius=d/2=7/2=3.5cm

ii)8.8m

Diameter=Circumference of the circle/pie

8.8÷22/7

=2.8m

Radius=d/2=2.8/2=1.4m

iii)61.6m

Diameter=Circumference of the circle/pie

=61.6÷22/7

=19.6m

Radius=d/2=19.6/2

=9.8m



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