DEFINITION
DEFINE GEOMETRY
STUDY OF SHAPES
(ANSWERS MAY VARY)
A cleaning person carries a large key ring. The key ring has a diameter of 6 inches. What is the key ring's circumference?
18.84
RADIUS*2
DIAMETER
IF THE RADIUS IS 2 WHAT is THE CIRCUMFERENCE
12.56
IF THE RADIUS IS 3 WHAT IS THE AREA
28.232
DEFINE CIRCUMFERENCE
the enclosing boundary of a curved geometric figure, especially a circle (answers may vary)
Elise measures a circular magnet and calculates that it has a circumference of 6.28 inches. What is the magnet's diameter?
2
DIAMETER/2
RADIUS
IF THE RADIUS IS 10 WHAT IS THE CIRCUMFRENCE
62.8
IF THE RADIUS IS 7 WHAT IS THE AREA
153.862
Define Area
the enclosing boundary of a curved geometric figure, especially a circle (Answers may vary
A subway token has a radius of 1 centimeter. What is the token's diameter
2
WHAT IS THE VALUE OF PI
3.14
IF THE RADIUS IS 13 WHAT IS THE DIAMETER
81.64
IF THE RADIUS IS 63 WHAT IS THE DIAMETER
11,683.942
DEFINE DIAMETER
a straight line passing from side to side through the center of a body or figure, especially a circle or sphere. (answers may vary
When Laura won a contest, she got a gold medal with a diameter of 8 centimeters. What is the medal's radius?
4
2*PI*RADIUS
CIRCUMFRENCE
IF THE DIAMETER IS 22 WHAT IS THE CIRCUMFERENCE
69.08
IF THE DIAMETER IS 10 WHAT IS THE AREA
78.52
DEFINE RADIUS
a straight line from the center to the circumference of a circle or sphere.
(ANSWERS MAY VARY
A cathedral has a large, circular stained-glass window. A visitor measures the window and calculates that it has a circumference of 18.84 feet. What is the window's radius?
3
PI*RADIUS SQUARED
AREA
IF THE DIAMETER IS 43 WHAT IS THE CIRCUMFERENCE
135.02
IF THE DIAMETER IS 27 WHAT IS THE AREA
572.2652