Relationship
Diameter
Radius
Polygons
Tricky!
100
The Diameter is 22cm. What do you need to do to find the radius?
DOUBLE JEOPARDY!!!
Divide by 2 (or multiply by 1/2)
100
Radius is 6.5 cm what is diameter
What is 13 cm
100
TRIPLE JEOPARDY!!!
My diameter is 64 cm what is my radius
What is 32 cm
100
A 5 sided polygon
pentagon
100
If a circle is the same size, which is longer?
Radius or Diameter
diameter
200
Triple Jeopardy!!
The radius is 15. What do you need to do to find the diameter?
Multiply by 2 (or double the radius)
200
DOUBLE JEOPARDY!!!
The radius is 99 cm, what is the diameter
What is 198 cm
200
The diameter is 280 cm what is the radius
What is 140 cm
200
An 8-sided polygon
octagon
200
TRIPLE Jeopardy!!
D
300
The radius is 25. What do you need to do to find the diameter?
Multiply by 2 (or double the radius)
300
The radius is 264 cm what is the diameter
What is 528 cm
300
DOUBLE JEOPARDY!!!
The diameter is 164 cm. What is the radius
What is 82 cm
300
DOUBLE Jeopardy
A 7-sided polygon
heptagon
300
4X Jeopardy!!
The diameter must pass through...
the center of the circle
400
The diameter is 15 c. What do you need to do to find the radius?
DOUBLE JEOPARDY!!!
Divide the diameter by 2.
400
The radius is 985 cm what is the diameter
Double Jeopardy!!!
What is 1,970 cm
400
The diameter is 140 miles. What is the radius?
70 miles
400
5x JEOPARDY!!!
An 11-sided polygon
undecagon
400
E
500
The diameter is 30 cm. What do you need to do the find the radius?
Divide by 2
500
The radius is 1,537 cm what is the diameter
What is 3,074 cm
500
The diameter is 55 feet. What is the radius?
27.5 feet
500
a 9-sided polygon
nonagon
500
JEOPARDY x3!!
E