A unit circle is defined as a circle with a unit radius. Take this unit circle quiz and test your knowledge about this important concept of trigonometry in math. The unit circle is mainly used to learn and talk about lengths and angles. If you understand this concept of circles, it is going to be an interesting quiz for you. See moreGive this easy quiz a try and see what score you get! All the best! You can share the quiz with other math lovers also.
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Circle whose center is at the origin
Circle whose radius is one
The circumference of the unit circle is 2Π
All of the above
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0.7414709828
0.8414709848
0.8417709848
0.9464709848
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True
False
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90 degrees
180 degrees
270 degrees
360 degrees
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A = 2πr
A = πr2
A = π2r
A = πr/2
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Origin (0,0)
(0,1)
(1,0)
(1,1)
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30 degrees
60 degrees
90 degrees
180 degrees
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90 degrees
100 degrees
120 degrees
150 degrees
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