Circle Review

Circle Terms

100

The distance from the center of a circle to the outside, also half of the diameter

What is radius

200

The distance from one side of the circle to the other going through centre

What is the Diameter

300

The distance going around the circle.

What is cirrcumference?

400

The total amount of space inside of a circle

What is the area?

500

3.14

What is pi?

Finding Radius(find the radius for all)

100

The Diameter of this circle is 5 cm

What is 2.5 cm

200

The diameter is 12 cm

What is 6 cm

300

The diameter of this circle is 27 cm

What is 13.5 cm

400

The circumference of this circle is 31.4 cm

What is 5 cm?

500

The circumference of this circle is 34.54 km

What is 5.5 km

Finding Diameter (Find Diameter for all)

100

The radius of this is 5 cm

What is 10 cm

200

The radius of this circle is 2.5 cm

What is 5 cm

300

The circumference of this circle is 15.7 cm

What is 5 cm

400

The circumference of this circle is 18.84 cm

What is 6 cm

500

The area of this circle is 78.5 cm²

What is 31.4 cm

Finding Circumference

100

The diameter for this circle is 10 cm

What is 31.4 cm

200

The diameter for this circle is 13 cm

What is 40.82 cm

300

The diameter of this circle is 25 cm

What is 78.5 cm

400

The radius for this circle is 45 mm

What is 282.6 mm

500

The area for this circle is 113.04 cm²

What is 37.68 cm

Finding Area(Find area for all)

100

The radius of this circle is 2 cm

What is 12.56 cm²

200

The radius of this circle is 3 cm

What is 28.26 cm²

300

The diameter of this circle is 20 cm

What is 314 cm²

400

The radius of this circle is 43.96 cm

What is 152.86 cm²

500

The circumference of this circle is 69.08 mm

What is 379.94 mm²