Diameter
Circles
Area
Radius
Pi Fun Facts
100
What is the distance across a circle throught the center called?
What is the diameter?
100
The number of degrees in a circle?
What is 360?
100
THe area formula for a cirlce.
What is pi r squared?
100
The definition of a radius.
What is distance from the center of a cirlce to the outside of the circle?
100
Pi is celebrated on this date?
What is March 14th
200
If the radius is 5cm, what is the diameter?
What is 10cm?
200
The distance around the outside of a circle.
What is the circumference?
200
The area of a cirlce with a radius of 1cm. (in terms of pi)
What is 1 pi cm squared?
200
The diameter is 18 cm. What is the radius?
What is 9cm?
200
What famous mathematicians birthday is on the same date as Pi Day?
Who is Albert Einstein?
300
If the radius is 1.5 cm what is the diameter?
What is 3cm?
300
The point in the middle of a circle.
What is the center?
300
The area of a circle with diameter of 6 cm. (in terms of pi)
What is 9 pi cm squared?
300
The diameter is 50 cm. What is the radius?
What is 25cm?
300
The best time of day to celebrate Pi Day according to the 3rd/4th/and 5th digits following the decimal is?
What is 1:59?
400
If the radius is 2.25cm what is the diameter?
What is 4.5 cm?
400
A portion of the outside of the cirlce.
What is an arc?
400
THe area of a circle with a diameter of 100 cm. (leave in terms of pi)
What is 2500 pi cm squared?
400
Find the circumference of a circle if the radius is 2cm? (C= 2TTr)
What is 4 TT cm?
400
A date in July which could be used for another Pi Day?
What is 22/7?
500
Another name given to a diameter?
What is a chord?
500
An angle that involves the center of the cirlce?
What is a central arc?
500
Find the radius of a cirlce if the area is 25 pi cm squared?
What is a radius of 5 cm?
500
Find the circumference of a circle if the diameter is 10 cm. (C= TTd)
What is 10 TTcm?
500
The 314th day of the year could also be used? In which month does this fall?
What is November?
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