Shapes
Parts of a Circle
Circle Formulas
Find the Circumference
Find the Area
100
The study of shapes
What is GEOMETRY.
100
the point in the middle of a circle
What is the CENTER POINT
100
radius x 2
What is DIAMETER?
100
radius = 2
What is 12.56?
100
radius = 3
What is 28.23?
200
4 sided shape where all sides are equal
What is a SQUARE
200
a line that starts at the center point and extends to the edge of the circle
What is a RADIUS?
200
diameter / 2
What is RADIUS?
200
radius = 10
What is 62.8?
200
radius = 7
What is 153.86?
300
3 sided shape
What is a TRIANGLE
300
a line that goes from one point on the edge of a circle to another point on the edge of a circle and passes through the center point
What is a DIAMETER?
300
the value of Pi
What is 3.14?
300
radius = 13
What is 81.64?
300
radius = 61
What is 11,683.94?
400
8 sided shape (for example, a stop sign)
What is an OCTAGON
400
the measure all the way around the outside of a circle
What is CIRCUMFERENCE?
400
2 x Pi x radius
What is CIRCUMFERENCE?
400
diameter = 22
What is 69.08?
400
diameter = 10
What is 78.5?
500
5 sided shape (for example a house)
What is a PENTAGON
500
all of the space inside a circle
What is AREA?
500
Pi x radius squared
What is AREA?
500
diameter = 43
What is 135.02
500
diameter = 27
What is 572.265?
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