Question

Work out the area of this circle

Answer 1

Area of a circle = pi * r^2

Pi = 3.142
r = 4

A = 3.142 (4*4)
A = 3.142 * 16
A = 50.272 cm^2

Answer 2

Answer:

50.24 or 50.272

Step-by-step explanation:

Square radius and then times by 3.14 or 3.142

4^2*3.14 = 50.24

4^2*3.142 = 50.272