Vocabulary
The distance from the center of a circle to the outside, also half of the diameter
What is radius?
The diameter of this circle is 4
What is 2?
The radius of this circle is 5
What is 10?
The diameter for this circle is 10 cm
What is 31.4 cm?
The radius of this circle is 2 ft
What is 12.56 sq ft?
The distance from one edge of the circle to the other, passing through the center of the circle
What is the Diameter?
The diameter of this circle is 12
What is 6?
The radius of this circle is 9
What is 18?
The diameter for this circle is 13 ft
What is 40.82 ft?
The radius of this circle is 3 in
What is 28.26 sq in?
A line through the circle, does not have to pass through the center
What is a chord?
The diameter of this circle is 26
What is 13?
The radius of the circle is 2.5
What is 5?
The diameter of this circle is 25 m
What is 78.5 m?
The radius of this circle is 21 cm
What is 1384.74 sq cm?
The diameter of this circle is 400
What is 200?
The radius of the circle is 1.2
What is 2.4?
The radius for this circle is 45 in
What is 282.6 in?
The diameter of this circle is 16 m
What is 200.96 sq m?
The distance around the outside of a circle, "perimeter" of a circle
What is circumference?
The diameter of this circle is 7
What is 3.5?
The circumference of this circle is 194.68
What is 62?
The radius for this circle is 25 mm
What is 157 mm?
The diameter of this circle is 20 yd
What is 314 sq yd?