Math, asked by singhsevendra95, 2 months ago

please give me the answer fast it's so important

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Answered by parambhavsar1940

0

Answer:

Step-by-step explanation:

for radius of inner circle =12.5-8.5

=4m

circumference of inner circle=2πr

=2×3.14×4

=25.12m

circumference of outer circle=2πr

=2×3.14×12.5

=78.5m

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