Respuesta :

Answer:

d.

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