calculate the area of a circle with radius of 5cm
Area = (Pi)r^2 (pi is 3.14159......)
A = (pi) x 5^2
A = 25(pi)
Area = 78.54 cm^2 (to 2 d.p)
Area of circle = \(\pi r^{2}\)=22/7 X 5X5=450/7=64.2857142.........therefore area of the circle = 64.2857142......cm
