Circumference and Area Applications

A Circle has a diameter of 10 centimeters.  What is the circumference of the circle? (Best Choice)

• 5π or about 15.7 cm

• 10π or about 31.4 cm

• 20π or about 62.8 cm

• 100π or about 314 cm 

What is the area of this circle?

• 163.2

• 15.3

• 124.2

• 113.1

What is the area of this circle?

• 1256.64

• 31.41

• 314.16

• 123.12

What is the area of this circle?

• 15393.8

• 1248.12

• 5930.12

• 3848.45

What is the area of this circle?

• 50.27

• 78.23

• 98.12

• 201.06

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

What does C represent in the formula: C = π·d

• Pi

• Circumference

• Diameter

• Area

Find the circumference of the circle.

• 78.5 cm

• 15.7 cm

• 7.85 cm

• 19.6 cm

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm