Circle Terms
The distance from the center of a circle to the outside of the circle. Also, half of the diameter.
What is radius?
The diameter of a circle is 12 inches.
What is 6 inches?
Look at Image 1- what is the shape of the cross section?
Rectangle
The diameter of a circle is 10 meters.
What is 31.4 meters?
The radius of a circle is 2 meters.
What is 12.56 meters2?
The distance around a circle.
What is circumference?
The radius of a circle is 5 cm.
What is 10 cm?
Look at image 2- what shape will the cross section be?
Rectangle
The diameter for a circle is 13 cm.
What is 40.82 cm?
The radius of a circle is 3 inches.
What is 28.26 inches2?
3.14 or 22/7
What is pi?
The diameter of a circle is 27 feet.
What is 13.5 feet?
Look at image 3, what are the dimensions of the cross section?
A
The diameter for a circle is 25 inches.
What is 78.5 inches?
The radius of a circle is 10 cm.
What is 314 cm2?
A line that goes through the center of the circle
What is diameter?
The radius of a circle is 20.4 meters.
What is 40.8 meters?
Look at image 4, what are the dimensions of the cross section?
B
The radius for a circle is 45 mm.
What is 282.6 mm?
The radius of a circle is 21 feet.
What is 1384.74 feet2?
The total amount of space inside of a circle
What is the area?
The diameter of a circle is 0.325 mm.
What is 0.1625 mm?
Look at image 5, which is the correct shape of the cross section?
C
The radius for a circle is 285 cm.
What is 1789.8 cm?
The diameter of a circle is 50 mm.
What is 1962.5 mm2?