Circumference of Circle (2πr) Dry Run in C

Circumference of Circle (2πr) is an interactive C dry run visualizer from the Input Output programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Circumference of Circle (2πr) Program Code

#include <stdio.h>
int main() {
    float r, circumference;
    printf("Enter radius: ");
    scanf("%f", &r);
    circumference = 2 * 3.14 * r;
    printf("Circumference of Circle = %.2f", circumference);
    return 0;
}

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