Realationship
The distance from the center of a circle to the outside is called the _______________.
What is radius
Radius is 6.5 cm what is diameter
What is 13 cm
The diameter is 64 cm Find the circumference
What is 200.96 cm
If you know the radius, how would you find the diameter?
What is multiply it by 2
a circle has a radius of 99 cm, what is the diameter?
What is 198 cm
The diameter is 280 cm what is the radius
What is 140 cm
The radius is 194 cm what is the circumference?
What is 1218.32 cm
If you know the diameter, how would you get the radius?
What is divide by 2
True or False
The diameter is sometimes smaller than the radius of a circle.
What is FALSE
A circle shrinks down to half it's original size. What happens to the radius?
a) it also shrinks to half it's size
b) it stays the same
c) it becomes a diameter
What is answer A
True or False
Circumference is like perimeter. It is the distance around a circle.
What is TRUE
Diameter or Radius?
A person swims across the length of a round swimming pool from one end to the other.
What is diameter
Circle A has a radius of 4 cm and circle B has a radius that is 3.5 times as big as Circle A.
What is the diameter of cricle B?
What is 28 cm
A circle with a diameter of 20 cm doubles in size. What is the new radius of the bigger circle?
What is 20 cm
True or False
The radius is 12 feet, then the circumference is 37.68 feet
What is FALSE
Diameter or Radius?
A round pound has a bridge that connects one side to the other.
What is diameter
The radius of a circle is 5.5 meters. The circle gets doubled in size. What is the new diameter of the bigger circle?
What is 22 meters
Circle A is three times larger than Circle B.
Circle A has a radius of 24 inches. What is the radius of Circle B?
What is 8 inches
The circumference of a circle is 157 meters. What is the radius of the circle?
What is 25 meters