Circles Question Preview (ID: 11125)
Pi, Circle, Diameter, Radius, Circumference.
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What is Pi?
a) 4.15
b) 6.3
c) 3.14
d) 3.5
What is a circle?
a) one eternal round
b) it has corners
c) it is a half a square
d) a diameter
What is a diameter?
a) a line that is half of the line that divides the circle in half
b) 90 degrees
c) the line that goes all the way around the circle
d) A line that divides a circle in half
What is a radius?
a) The line that goes around the circle
b) half of the diameter
c) one eternal round
d) the area on the inside of the circle
What is the circumference?
a) the area on the inside of the circle
b) The line that goes around the outside of the circle
c) the line that divides the circle in half
d) it is the same as the diameter
What is the formula for the circumference?
a) pi
b) pi r
c) pi d
d) pi r squared
What is the formula for the area of a circle?
a) 2 pi r
b) pi r
c) pi d
d) pi r squared
If you have a diameter of 2 what is circumference?
a) 3.14
b) 4.5
c) 6.28
d) 9.4
If you have a radius of 6 what is the area of a circle?
a) 113.04
b) 100
c) 219.14
d) 150.06
If you have a diameter of 4 what is the radius?
a) 4
b) 1
c) 2
d) 6
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