Circles Measurement

• 1.26

• 452.39

• 9.42

• 113.10

• 5.50 cm

• 11.00 cm

• 0.39 cm

• 141.37 cm

• 5 units

• 18.85 units

• 4.71 units

• 200 units

• 12.57 units

• 75.40 units

• 24 units

• 125.66 units

Find the area of each sector.

• 52.4 in²

• 18,864 in²

• 60 in2

• 10.47 in

Find the area of the shaded sector

• 173.42 cm²

• 212.06 cm²

• 237.50 cm²

• not enough information

What is the name for the distance around a circle?

• Diameter

• Radius

• Circumference

• Chord

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

What is the formula for finding the circumference of a circle?

• C = r²

• C = rd

• A = π·r²

• C = π·d

If the diameter of a circle is 4, what is the radius?

• 4

• 2

• 16

• 8