R or D?
Radius = 3 cm
Diameter =
What is 6 cm?
You times this by itself twice.
What is radius?
A 65-inch Car Wheel rotates once per second, traveling __ inches in 2 seconds
What is 130?
Like a circle, but cut in half.
What is a semicircle?
A straight line that passes through the center of a circle.
What is the diameter?
Radius =
Diameter = 10 in.
What is 5 in.?
62 x 3.14 =
What is 113.04?
The distance of a 25-inch wagon wheel after 4 complete rotations.
What is 100 inches?
Like a circle, but three dimensional.
What is a sphere?
3.14159...
What is pi?
Radius = 3.5 ft
Diameter =
What is 7 ft?
pi x r2 = 314
What is r = 10?
Bike wheel diameter = 27 inches
Rotations = 15 Distance =
What is 1,271.7 inches?
Like a circle, but with no inside.
What is a ring?
The distance around the circle.
What is the circumference?
Radius =
Diameter = 13.5 m
What is 6.75 m?
0.52 x 3.14 =
What is 0.785?
Skateboard wheel radius = 2.6 centimeters
Rotations = 100 Distance =
What is 1,632.8 centimeters?
Like a circle, but the Earth's orbit.
What is an ellipse?
A line that goes from the center of a circle to any point on the circle.
What is the radius?
Diameter =
Circumference = 3.14 yd
What is 1 yd?
diameter = 12 cm
Area =
What is 113.04?
Kyra's bike wheel is 64 inches in circumference. The wheel rotates x times and Kyra travels 320 yards.
What is 180 rotations?
Like a circle, but also like a triangle.
What is a wedge?
Made up of all the points that are the same distance from a given point.
What is a circle?