Parts of a Circle
A chord is
A line segment from one part of the circle to another part of a circle
Formula for Diameter
Radius x 2
Radius is 7. What is the diameter
What is 14
Diameter is 100. What is the radius?
What is 50
The point in the middle of a circle
Formula for a radius
Diameter divided by 2
Radius of 20. What is the diameter
What is 40
Diameter is 180. What is the radius?
What is 90
A diameter is
A line segment from one point of a circle to another point of a circle, that goes straight through the center point
Formula for circumference
Diameter times 3
Radius is 35. What is the diameter
What is 70.
Diameter is 75. What is the radius?
What is 37.5
A radius is
a line segment that starts from the center point and goes to any point on the circle
If I am given the radius, how do I find the circumference?
Find the diameter first
Radius is 22.5. What is the diameter
What is 45
Diameter is 1000. What is the radius?
What is 500?
A circumference is
Can you use a calculator
yes
Radius is 50. What is the diameter?
What is 100
Diameter is 90. What is the radius?
What is 45