Question

The diameter of a circle is 100cm what is the area of the circle

Answer 1

Answer: 314.16 cm²


Step-by-step explanation:

Radius = 100 ÷ 2 = 50 cm

Area =π (10)² = 314.16 cm²


The Wise Orange remembers to divide the diameter by 2 to get the radius.

Answer 2

Formula for area:
Area=pi x r^2
=pi x (100 / 2)^2
=pi x 50^2
=7853.98