Question

Area of a circle, diameter = 16.8cm

Answer 1

221.56 cm^2 or 70.56pi

Explanation:

Area of a circle = pi*radius^2

Radius = diameter/2, radius = 8.4

3.14(8.4)^2 = 221.56 cm squared, or 70.56pi

Answer 2

Explanation:

Area of circle=Pi times radius^2

Diameter is half of radius=8.4

Pi*8.4^2=221.670777637

Hope this helps!