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