Circle Basics
The term for the distance across the circle.
What is the diameter?
The formula to calculate circumference when the diameter is known.
What is C=pi x d
How to measure the edge of a circular garden plot.
What is finding the circumference?
The diameter of a circle that has a radius of 3.
What is 6?
The approximate value of pi.
What is 3.14?
The term for the distance around the circle.
What is circumference?
The formula for calculating the area of a circle.
What is A=pi x r2
This term describes the fabric covering needed for a circular table.
What is the area?
The circumference of a circle with a radius of 4.
What is 25.12?
The symbol ____ that represents this mathematical concept related to circles.
What is pi?
This term refers to the number of square units inside the circle.
What is area?
The formula to calculate circumference using the radius.
What is C=2 x pi x r
This term describes the distance around the race track.
What is circumference?
The area of a circle with a radius of 5.
What is 78.5 squared units?
The day we celebrate pi.
What is March 14th?
The constant number used to calculate circumference is approximately 3.14.
What is pi?
When you multiply pi by the radius squared, you're calculating this.
What is the area of a circle?
This term describes the amount of soil needed to cover the inside of a circular garden.
What is area?
The radius of a circle is 7 feet. This is the area.
What is 153.86 feet squared?
The relationship between the diameter and circumference of any circle.
What is the circumference is approximately 3.14 times the diameter?
This is half the diameter of a circle.
What is the radius?
This part of the formula A=pi x r2 represents the exponent.
What is 2?
With a diameter of 10 meters, calculate how many meters of fencing is needed for a circular playground.
What is 31.4 meters?
The diameter of a circle is 16 inches, what is the circle's area?
200.96 in squared
pi is an approximate value because......
pi goes on forever so we stop at 3.14