What is the name of a line or line segment that goes from the edge of a circle to the middle?
A Radius
100
The diameter of a circle is 10cm. What is the radius of the circle?
5cm
100
If Jessicca drew a perfect circle with a radius of 4.5cm, what would the diameter of that circle be?
9 cm
100
Boo has a plate that has a diameter of 1,245cm. What is the circumference?
3,909.3cm
100
What do you call the tool we used to create perfect circles?
A compass.
200
How do you find the area of a circle?
A= pi x diameter
200
What is the radius of a circle if the diameter is 425?
212.5
200
Lexi had a new circular pool installed in her backyard. If she walks from the edge of the pool to the middle, she walks 12.5 feet. What is the diameter of the pool?
25 feet
200
Joshua has a round table with a diameter of 5 feet. What is the distance around the outside of the table?
15.7 feet
200
What are the first 7 digest of pi
Pi (3.141592....)
300
What is the name of a line or line segment that goes from one edge of a circle to another edge, passing through the center of the circle?
A Diameter
300
If Dominic cut down a tree with a diameter of 7 meters, what would the radius of the tree be?
3.5 meters
300
The radius of the circle at half-court in the gym has a radius of 147cm. What is the diameter of that circle?
294 cm
300
Ms. Yoder has a plate with a diameter of 12 inches. What is the circumference of that plate?
37.68 inches
300
From what language do we get the term 'pi'?
Greek
400
What do we call the distance around the outside of a circle?
The circumference.
400
Aliens landed in Roswell and created a circle in the ground that was 56 meters across. What would the radius of that circle be?
28 meters
400
Mr. Farver's dog has a water bowl that has a circumference of 31.40 inches. What is the diameter of the bowl?
10 inches
400
Anthony bought a large 18 inch pizza at Big Cheese. What is the distance around the outside of the pizza?
56.52 inches
400
What is the area of a circle if the radius is 150?
70,650
500
What is circumference?
We are the judge!
500
What is the radius of a circle if the diameter is 437,429?
218,714.5
500
Mr. Donkersloot has a clock with a minute had that goes from the middle of the clock to the edge. The minute hand is 16cm long. What is the diameter of the clock?
32 cm
500
Hunter bought new tires for his 4 wheeler. The radius of the tire is 18 inches. What is the circumference of the tire?
113.04 inches
500
Sharkisha wants to know what the area of a circle is if the diameter is 200?