A p 4 D2. It can be determined easily using a formula A pr2 Pi r-squared where r is the radius of the circle. Area of Circle pr2 or pd24 square unit where p 227 or 314.
Area of a Circle p 4 d2 Area of a Circle p 4 d 2 r r is the radius of the circle and d d is the diameter of the circle The value of p 22 7 p 22 7.
Area of a circle is given by. Here r refers to the radius of the circle and the unit of the area is in the square unit like cm2 m2 etc. A C2 4p. Find the diameter area and circumference of a circle of radius 15 cm.