Answer:
78.5cm^2
Step-by-step explanation:
Half your diameter to get a radius.
D = 10cm
10 divided by 2 = 5
Pi (3.14)
3.14 x 5^2
3.14 x 25 = 78.5cm^2
78.5 cm^2.
The diameter d = 10 so the radius = 1/2 * 10 = 5cm.
Therefore the area = π r^2
= π * 5^2
= 3.14 * 25
= 78.5 cm^2.
