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