CIRCLE TERMS
The distance from the center of a circle to the outside, also half of the diameter
What is RADIUS?
The diameter of a circle is 5 in. Name the length of the radius.
What is 2.5 inches?
The diameter for this circle is 10 cm. Name the length of the circumference.
What is 31.4 cm?
A bicycle with 24 inch diameter tires make 100 rotations. The distance the bike traveled is ...
What is 7,536 inches?
The circumference is 65.94 inches. Identify the length of the diameter? (Use 3.14 as PI)
What is 21 inches?
The longest line in a circle, passes through center
What is DIAMETER?
A circle has a radius of 12 inches. Name the length of the diameter.
What is 24 inches?
The radius for this circle is 13 cm. Name the length of the circumference.
What is 81.64 cm?
A monster truck traveled 207,240 inches in 1,000 rotations. The circumference of the tire is ...
What is 207.24 inches?
The circumference is 9.42 cm. Identify the length of the radius. (Use 3.14 as PI)
What is 1.5 cm?
The distance around a circle
What is CIRCUMFERENCE?
The diameter of a circle is 431 inches. Name the length of the radius.
What is 215.5 inches?
The diameter of this circle is 25 cm. Name the length of the circumference.
What is 78.5 cm?
The second hand on a clock is 7.5 cm in length. The distance the tip of the second hand travels in 20 minutes is ...
What is 942 centimeters?
The following are radii of a given circle.
IP, IR, IS
Name the center point of the circle.
What is point I?
A round plane shape where all points are equidistant from the center
What is CIRCLE?
The circumference of this circle is 18.84 feet. Name the length of the diameter.
What is 6 feet?
The radius for this circle is 45 cm. Name the length of the circumference.
What is 282.6 cm?
In 10,000 rotations, a car traveled 78,500 feet. The tire's diameter is ...
What is 2.5 feet?
True or False:
The length from each radii of a given circle is a different length.
What is FALSE?
The word we use to identify this number: 3.14
What is PI?
The circumference of this circle is 194.68 feet. Name the length of the radius.
What is 31 feet?
The diameter for this circle is 3285 cm. Name the length of the circumference.
What is 10,314.9 cm?
A model car travels on an 18 foot track set up by students. If the model car has wheels that are 3 inches in diameter, name the number of rotations it will take the car to travel the length of the track. Round to the nearest whole number. (Remember there are 12 inches in 1 foot.)
What is 23 rotations?
Name the two formulas for circumference.
What is C = pi*d and C = 2*pi*r?