The area of a semi circle is the total space inside the semi circle. If radius of the circle = r Then, Area of the circle = (1/2)xπr2 sqare units Here, π=22/7=3.14 aproximately Ex:- radius...
I will explain a simple and fastest process of multiplication. This can help you to get answers faster. Let's assume you have to multiply 9999 X 2456. Now think how much time it will take? Maybe 30...