Question

The circumference of a circle is 3π cm. What is the area of the circle?

Question 3 options:

9πcm2

1.5πcm2

6πcm2

2.25πcm2

Answer 1

circumference of circle: 2πr

• 2πr = 3π

• r = 1.5 cm

area of circle: πr^2

• πr^2

• π(1.5)^2

• 2.25π