Math, asked by rachnagics, 11 months ago

find the circumference of a circle whose area is 4 times the area of a circle with diameter 21 cm

Answers

Answered by ajaykumar6944

0

Answer:

The circumference of the greater circle is 219

Answered by priyanshurathod490

1

Answer:

63

Step-by-step explanation:

circum of cir=ar of cir×3

=21×3

=63

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