Circles Question Preview (ID: 11125)


Pi, Circle, Diameter, Radius, Circumference. TEACHERS: click here for quick copy question ID numbers.

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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