Question

A circle has a diameter of 8 centimeters, as shown below.

8 cm
What is the area, in square centimeters, of the circle?

Answer 1

Answer:50.3

Step-by-step explanation: i got it right

Answer 2

12.6cm²

Explanation:

Diameter of circle = 8cm

Unknown:

Area of the circle = ?

Solution:

The area of the circle is given by the expression below;

Area = π r²

r is the radius of the circle

Since diameter is 8cm, radius = 4cm

Insert the parameters;

Area of circle = π x 4cm = 12.6cm²