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Circle Terms
Finding Radius
(find the radius for all)
Finding Diameter (Find Diameter for all)
Finding Circumference(Find Circumference for all)
Finding Area
(Find area for all)
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 5ft

What is 2.5ft

100

The radius of this is 5in

What is 10in

100

The diameter for this circle is 10in

What is 31.4in

100

The radius of this circle is 2 in

What is 12.56 sq in

200
A line segment that starts on one side of the circle, passes through the center point and ends on the other side of the circle.

What is the Diameter

200

The diameter is 12.5

What is 6.25yds

200

The radius of this circle is 2.86cm

What is 5.72cm

200

The diameter for this circle is 13ft

What is 40.82ft 

200

The radius of this circle is 3 m

What is 28.26 sq m

300

The distance around a circle and the algorithm used to calculate this for a circle

What is the circumference

Pi x Diameter

300

The diameter of this circle is 27.4ft

What is 13.7ft

300

The circumference of this circle is 15.7 miles

What is 5 miles

300

The diameter of this circle is 25cm

What is 78.5cm

300

The radius of this circle is 21 ft

What is 1384.74 sq ft

400

The total amount of space inside of a circle AND the algorithm to calculate this for a circle.

What is the area?

A= Pi x r squared

400

The diameter of this circle is 436 yards in FEET.

 What is 654 ft.?

400

The circumference of this circle is 18.84ft

What is 6ft

400

The radius for this circle is 45yds

What is 282.6yds

400

The circumference of the circle is 13.6 cm.

What is 14.79 sq cm.

500

Circumference / Diameter

What is pi?

500

The diameter of this circle is 0.325cm

What is 0.1625cm

500

The circumference of the circle is 56.52 in.

What is 18 in.

500

The Diameter for this circle is 3285in

What is 10314.9in

500

The circumference of the circle is 32.7ft 

What is 85.22 sq ft