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All About Angles

This 12-question quiz covers the basic types of angles and how they relate to one another.

You will work through fill-in-the-blank and true or false items, with prompts such as What angle measures exactly 90 degrees? and Which are complementary angles?

A simple way to keep two tricky terms straight is that complementary angles add up to 90 degrees while supplementary angles add up to 180, so the pair with the bigger total is the one for a straight line.

You will also confirm why the two sides of a right angle are called perpendicular.

Recommended level: beginner to intermediate.

0 of 12 answered Score: 0%
Question 1
A 91 degrees angle is an ___.
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___ are two angles with a sum of 90 degrees.
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What angle is less than 90 degrees?
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A straight line has an angle of 180 degrees.
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___ are two angles with a sum of 180 degrees.
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The lines of a right angle are perpendicular.
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Which are supplementary angles?
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What angle is more than 90 degrees?
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What angle measures exactly 90 degrees?
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A 45 degrees angle is an ___.
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An angle measuring 175 degrees is an acute angle.
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Which are complementary angles?
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