circles

What is the radius of this circle?

• 18 in

• 10 in

• 9 in

• 8 in

What is the diameter of this circle?

• 3.5 m

• 3 m

• 5 m

• 7 m

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Tags

CCSS.7.G.B.4

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 circumference of a circle with a diameter of 40 in? 

• 125.6 in
• 35.17 in
• 28.67 in
• 47.17 in

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 21 cm?

• 131.88 cm

• 121.88 cm

• 111.88 cm

• 141.88 cm

Find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

What is the area of this circle?

• 15393.8 mi²

• 1248.12 mi²

• 5930.12 mi²

• 3846.5 mi²

Diameter: 14 yards

Circumference: ???

• yd14

• 153.86 yd

• 21.98 yd

• 43.96 yd