Basic Coding Questions: Exercise 1: Q1. Write a programme to calculate area and perimeter of rectangle by accepting its length and breadth. Ans: #include<stdio.h> #include<conio.h> void main() { float a,p,l,b; clrscr(); printf("\n enter the length and breadth of rectangle"); scanf("%f%f",&l,&b); a=l*b; p=2*(l+b); printf("\n the area of rectangle is %f and the perimeter is %f",a,p); getch(); } The above image code is written in code blocks Output: enter the length and breadth of rectangle 20(press enter) 10 (press enter) the area of rectangle is 200 and the perimeter is 60 Explanation of the above code: Declaring of variables in data type float since length and breadth cannot always be integers. Taking input of length and breadth together by using scanf function. Substituting the values of length and breadth stored in l and b
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