Circle Terms
Finding Radius and Diameter
Finding Circumference
Finding radius and diameter from circumference
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 the radius?

What is 2.5?

100

The diameter for this circle is 10 cm. What is the circumference?

What is 31.4 cm?

100

The circumference of a circle is 31.4  What is the diameter?

What is 10?

200

The length across a circle (through the center) is called

What is diameter?

200

The radius of this circle is 5.  What is the diameter?

What is 10?

200

The diameter for this circle is 13 ft.  What is the circumference?

What is 40.82 ft?

200

The circumference of a circle is 47.1.  What is the diameter?

What is 15?

300

If we find the total amount of space inside a circle, we are finding the

What is area?

300

The diameter of this circle is 437. What is the radius?

What is 218.5?

300

The radius for this circle is 45 km. What is the circumference?

What is 282.6 km?

300

The circumference of a circle is 34.54.  What is the radius?

What is 5.5?

400

If we are finding the distance around a circle, we are finding the

What is circumference?

400

The diameter of this circle is 27. What is the radius?

What is 13.5?

400

The radius of a circle is 12 units. What is the circumference?

What is 75.36 units?

400

The circumference of a circle is 191.54.  What is the diameter?

What is 61?

500

Pi is the ratio of a circle's ________ to its __________

What is Circumference to its Diameter?

500

The radius of this circle is 15.7. What is the diameter?

What is 31.4?

500

The radius of this circle is 3.5 in. What is the circumference?

What is 21.98 in?

500

The circumference of a circle is 102.364.  What is the radius?

What is 16.3?
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