Maths-
SAT
Easy
Question
Points A and B lie on a circle with radius 1, and arc 
has length 
. What fraction of the circumference of the circle is the length of arc?
The correct answer is: 1/6
The circumference of a circle with radius r = 1
has length C = 2xπ = 2π
an arc length of
represents 
of this circumference
OR
Circumference of a circle = 2xπ
r = 1
circumference 2π
the fraction is: 
/3 (2π)
=π/3x 
= 
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x |
w(x) |
t(x) |
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-1 |
-3 |
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2 |
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-1 |
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1 |
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4 |
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3 |
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-1 |
5 |
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x |
w(x) |
t(x) |
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1 |
-1 |
-3 |
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2 |
3 |
-1 |
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3 |
4 |
1 |
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4 |
3 |
3 |
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5 |
-1 |
5 |
Maths-SAT
