Parts of a circle
Getting Around
It's What's on the Inside
How much is left?
100
The line the extends from the center of the a circle to the edge.
What is the radius?
100
The circumference of a circle with a diameter of 2 inches
What is 6.283 in2?
100
The area of a circle with a radius of 5 in.
What is 78.53 in2?
100
What is the length of the outer curve of this shape?
What is 12.56 cm?
200
The line from one edge of a circle to the other passing through the center.
What is the Diameter
200
What is the circumference of this circle?
What is 43.98 cm?
200
Area of a circle with a radius of 1 cm?
What is 3.14 cm2?
200
What is the entire perimeter of this shape?
What is 20.56 cm?
300
The "perimeter" of a circle.
What is the Circumference
300
Find the CIRCUMFERENCE of this circle
What is 31.41 in?
300
What is the area of this circle?
What is 201.06 in2?
300
What is the area of this shape?
What is 25.13 cm2?
400
The space inside a circle.
What is the area?
400
The circumference of a circle with a diameter of 20.
What is 62.83 un?
400
The area of circle with a diameter of 20 ft?
What is 314.15 ft2?
400
How do you find the length of a semi-circle?
Divide the circumference by 2.
500
A line from one edge of a circle to the other NOT going through the center.
What is a chord?
500
What is the formula for the circumference of a circle?
C = d * pi or C = 2r * pi
500
What is the formula for finding the area of a circle?
A=r2*pi
500
How do you find the area of a semi-circle?
Divide the entire area by 2.