Circles Area & Circumference

If a circle has a circumference of 26.69 yards, what is it's diameter?

• 8.5 yards

• 83.8 yards

• 4.2 yards

• 17.6 yards

A circle has a radius of 150 mm. What is it's circumference? 

• 471 mm

• 942 mm

• 47.7 mm

What is the correct formula for the Area of a Circle? 

• A= π x d

• A = π x d²

• A= π x r²

What is the area of a circle that has a radius of 100 miles?

• 7,850 miles 

• 10,000 miles

• 31,400 miles

Find the area for a circle with a diameter of 8 feet. 

• 200.96 feet 

• 25.12 feet 

• 12.56 feet 

• 50.24 feet

What is the area of a circle with a radius of 14.4 meters?

• 651.1 meters

• 2604.44 meters

• 162.7 meters

Ms. Boyett wants to build a circular swimming pool with a fountain in the center. She wants the fountain to be 18.6 feet from the edge of the pool. What would the distance be around the outside of the pool? 

• 116.8 yards

• 58.4 feet

• 58.4 yards

• 116.8 feet

What is the area of this circle?

• 8322.13

• 1134.11

• 4536.46

• 1267.09

What is the area of this circle?

• 452.39

• 139.12

• 113.1

• 84.23

The radius is 8 inches.  What is the circumference?

• 50.24 inches

• 25.12 inches

• 12.56 inches

• 200.96 inches