Question

# Computer Homework of Chapter -5
1. What is the use of printf() function in C?
2.What is the use of scanf () function in C?
3.Explain the use of %d and &i.
4.Write a C program to calculate the following using scanf() function only:
i. addition of 3 numbers.
ii.subtraction of numbers.
iii.multiplication between 4 numbers.
iv.area of circle.
v.area of rectangle. vi.area of square.
vii.perimeter of square
viii.perimeter of rectangle. ​

Answer 1

Answer:

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