Answer:
d.
Step-by-step explanation:
Given:
Diameter = 10 cm
Radius (r) = ½(10) = 5 cm
π = 3.14
Required:
Area of the circle
Solution:
Area of the circle = πr²
Plug in the values
Area of the circle = 3.14 × 5²
= 3.14 × 25
Area of the circle = 78.5 cm²