Circumference and Area of Circles

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

Tags

CCSS.7.G.B.4

What is the area of a circle?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

Tags

CCSS.HSG.GMD.A.1

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

Tags

CCSS.7.G.B.4

Find the circumference of the circle

• 87.82
• 153.86
• 43.96
• 307.72

Tags

CCSS.7.G.B.4

A rose garden is circular. The diameter of the garden is 18 feet. What is the area of the garden?

• 9π square feet

• 36π square feet

• 81π square feet

• 324π square feet

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 15 feet. The family that owns the swimming pool wants to put up a circular fence that is 5 feet away from the pool at all points. What is the circumference of the fence they will need? Hint: Draw what you know.

• 15π

• 20π

• 40π

• 30π

Tags

CCSS.7.G.B.4

A circle as a circumference of 36π meters. What is the radius of the circle?

• 36 meters

• 6 meters

• 12 meters

• 18 meters

Tags

CCSS.7.G.B.4

A circle has an area of 36π. What is the circumference of the circle?

• 18π

• 12π

• 6π

• 36π

Tags

CCSS.7.G.B.4