Practical No.7: Write a program to find the area of a rectangle

 

Practical No.7: Write a program to find the area of a rectangle

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ACTIVITY 7

Practical No.7:
Write a program to find the area of a rectangle.

OR

By Sir Sajjad Akber Chandio

ALGORITHM

• step 1: start
• step 2: Declare variables
• step 3: Take input for length
• step 4: Take input for width
• step 5: calculate area by multiplying length by width
• step 6: Print Area
• step 7: End

VIVA VOCE

ACTIVITY 7

Q.1: What do you understand by an area of rectangle?
Ans: Area of rectangle is the region occupied by a rectangle within its four sides or boundaries.

Q.2: Write down the formula to calculate area of rectangle.
Ans: The area of a rectangle is the product of its length and width. So, area of rectangle = (length x width).

Q.3: Which type of operator is used in this program?
Ans: Arithmetic multiplication operator is used in this program.

Q.4: What is the purpose of return keyword used in C++?
Ans: This statement is used to return the value to the operating system. By default, main function returns integer value 0.

Q.5: Function cout belongs to which header file?
Ans: cout function belongs to header file iostream.