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Circles
Test Description: Pi, circle, diameter, radius, circumference
Instructions: Answer all questions to get your test result.
1) What is Pi?
A
3.14
B
6.3
C
4.15
D
3.5
2) What is a circle?
A
a diameter
B
one eternal round
C
it has corners
D
it is a half a square
3) What is a diameter?
A
the line that goes all the way around the circle
B
a line that is half of the line that divides the circle in half
C
A line that divides a circle in half
D
90 degrees
4) What is a radius?
A
the area on the inside of the circle
B
one eternal round
C
half of the diameter
D
The line that goes around the circle
5) What is the circumference?
A
it is the same as the diameter
B
The line that goes around the outside of the circle
C
the area on the inside of the circle
D
the line that divides the circle in half
6) What is the formula for the circumference?
A
pi r squared
B
pi
C
pi r
D
pi d
7) What is the formula for the area of a circle?
A
pi r squared
B
pi d
C
pi r
D
2 pi r
8) If you have a diameter of 2 what is circumference?
A
3.14
B
6.28
C
4.5
D
9.4
9) If you have a radius of 6 what is the area of a circle?
A
150.06
B
219.14
C
113.04
D
100
10) If you have a diameter of 4 what is the radius?
A
1
B
6
C
4
D
2
*select an answer for all questions
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