Circles

If you are given the diameter of a circle, how can you calculate the radius?

• Multiply the diameter by 2

• Divide the diameter by 2

• Add 2 to the diameter

• Subtract 2 from the diameter

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

Tags

CCSS.7.G.B.4

What is the approximate area of the given circle?

• 94.8 cm²

• 47.4 cm²

• 716 cm²

• 2863.8 cm²

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 1385.44 ft²

• 2142.12 ft²

• 5541.77 ft²

• 1289.12 ft²

Find the circumference of the circle

• 87.82
• 153.86
• 43.96
• 307.72

Tags

CCSS.7.G.B.4

What is the circumference of this circle?

• 50.27 cm

• 25.12 cm

• 98.12 cm

• 200.96 cm

The radius is 4.5 inches. What is the circumference?

• 7.07 inches

• 14.13 inches

• 28.26 inches

• 63.59 inches

Find the area of the sector.

• 52.4 in²

• 18,864 in²

• 60 in2

• 10.47 in

Find the area of the sector.

• 4248 m²

• 7.9 m²

• 2827.4 m²

• 11.8 m²

Find the arc length.

• 5.5 cm

• 11.0 cm

• 0.4 cm

• 141.4 cm