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 5
What is 2.5
100
The radius of this is 5
What is 10
100
The diameter for this circle is 10
What is 31.4
100
The radius of this circle is 2
What is 12.56
200
The longest chord in a circle
What is the Diameter
200
The diameter is 12
What is 6
200

The radius of this circle is 2.5

What is 5

200

The radius of this circle is 12.5

What is 78.5

200
The radius of this circle is 3
What is 28.26
300
A line through the circle.
What is a chord?
300
The diameter of this circle is 27
What is 13.5
300
The circumference of this circle is 15.7
What is 5
300

The radius for this circle is 45

What is 282.6

300

The diameter of this circle is 44

What is 1519.76

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

This carousel rotates 21.98yd in one rotation.

What is 3.5 yards

400

The circumference of this circular rug is 219.8 meters.

What is 70 meters

400

The distance a clock's second hand travels in 1 minute if the hand is 6cm long

What is 37.68cm

400

A goat tied to a 3.5m rope staked in the ground is grazing on this circular section of grass


What is 38.465 meters squared

500

3.14 or 22/7

What is pi?

500

Jill swims halfway across a circular pool with 153.86 square meters at the bottom of this swimming pool.

What is 7 meters

500

An asteroid hit the Earth and created this huge round crater 78.5 miles around

What is 25 miles

500

The distance around the Earth if the center of the Earth to the surface is approximately 4,000 miles.

What is 25,120mi

500

A 14 foot long walkway evenly divides this circular flowerbed.

What is 153.86 square feet

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