Circle Terms
Finding Radius
Finding Diameter
Circle Terms
Finding Circumference
100
The distance from the center of a circle to the outside, also half of the diameter
What is radius
100
The Diameter of this circle is 10. What is the radius?
5
100
The radius of this is 5. What is the diameter?
10
100
What do I need to double to get the diameter?
radius
100
If the diameter is 14in, what is the circumference?
43.96in
200
The longest part in a circle. From one edge to the other through the center.
What is the Diameter
200
The diameter is 15. What is the radius?
7.5
200
The radius of this circle is 2.5. What is the diameter?
5
200
A special kind of chord that passes through the center of a circle is called a
diameter
200
If the diameter is 53cm, what is the circumference?
166.42cm
300
The distance around the circle.
What is circumference?
300
Decimal number used for
π
3.14
300
If the radius is 12+3x6, what is the diameter?
60
300
What is the formula for finding the circumference of a circle?
pi x d
3.14 x d
300
If the radius is 23.5in, what is the circumference?
147.58in
400
Circles that are the same shape and size are _________
congruent
400
The diameter of this circle is 437. What is the radius?
218.5
400
The radius of this circle is 18.84. What is the diameter?
37.68
400
A line segment joining two points on a circle but it does not pass through the middle is called a
chord
400
If the radius is 26-5x4, what is the circumference?
37.68
500
What does the pi symbol look like?
500
If the diameter is 2x15+20, what is the radius?
25
500
The radius of this circle is 194.68. What is the diameter?
389.36?
500
The radius is _____ the diameter while the diameter is ______ the radius
double
half
500
If the radius is 200-144/12, then what is the circumference?
1180.64