Circle Terms
Finding Radius or Diameter
Area of triangle or parallelogram
Finding Circumference
Finding Area
of a circle
100
The distance from the center of a circle to the outside, also half of the diameter
What is radius
100

The Diameter of this circle is 5 cm

What is 2.5 cm

100

Find the area of the parallelogram:

What is 14.57 cm2

100

The diameter for this circle is 10 cm

What is 31.4 cm

100

The radius of this circle is 2

What is 12.56 cm2

200

The length from one edge to the other edge of a circle

What is the Diameter

200

The radius of this is 5 km

What is 10 cm

200

What is the area ?


What is 70 m2

200

The diameter for this circle is 13 mm

What is 40.82 mm

200

The radius of this circle is 3 cm

What is 28.26 cm2

300

The outside measurement of a circle.

What is the circumference?

300

The circumference of this circle is 15.7 cm. What is the diameter?

What is 5 m

300

Find the area of the triangle:

What is 24 units2

300

The diameter of this circle is 25 m

What is 78.5 m

300

The radius of this circle is 21 cm

What is 1384.74 cm2

400
The total amount of space inside of a circle
What is the area?
400

The circumference of this circle is 18.84 cm. What is the radius?

What is 3 cm?

400

The area of a parallelogram is 36.18 mm2. The height is 5.4 mm. What is the height?

What is 6.7 mm

400

The radius for this circle is 45 cm

What is 282.6 cm

400

The diameter of this circle is 10 cm. 

What is 78.5 cm2

500

3.14 

What is pi?

500

The circumference of this circle is 194.68 cm. What is the diameter?

What is 62 cm

500

The area of a triangle is 30 cm2. The base of the triangle is 4 cm. What is the height?

What is 15 cm.

500

Find the circumference of the circle:

What is 31.4 units

500

Find the area of the circle:

What is 7.065 yards2

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