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C program to calculate area between two concentric circles having radius r1 and r2 cm by using symbolic constant for values of PI.

CODES:

https://gist.github.com/programmingfaster0226/17d54b5798b3c5811e957e1600e14cae

OUTPUTS:

enter the radius of large circle:5

enter the radius of small circle:3

the area of the first circle is:78.57

the area of second circle is:28.29

the area between two circle is :50.28

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