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...
Rational, The decimal expansion of rational number, either stops or repeat infinitely many times Irrational, The decimal expansion of irrational number, neither stops nor repeat. Examples 7.65...