C Tutorial
Length of an arc = (2* π * radius * central angle)/360
This C program gets radius and central angle as user inputs and computes the length of an arc.
#include<stdio.h> void main() { int radius, central_angle; float length=0; printf("\nFinds length of arc\n-------------------"); printf("\nEnter radius: "); scanf("%d", &radius); printf("Enter center angle:"); scanf("%d", ¢ral_angle); length = (2*3.14*radius*central_angle)/360; printf("Arc Length: %.2f", length); }Output:
$ cc length-of-arc.c $ ./a.out Finds length of arc ------------------- Enter radius: 8 Enter center angle:45 Arc Length: 6.28
C Tutorial
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