# C program to find area and perimeter of circle

This program will read radius of the circle and find the **area and perimeter of the circle**.

Area of circle is calculated by **PI*R2**

Perimeter of the circle is calculated by **2*PI*R**

*Here*, **"R"** is the radius of the circle, in this program we have a macro defined as PI with the value of PI and variable rad holds the radius entered by the user.

## Area and Perimeter of circle program in c

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