Flashcards on Angles: Adjacent and Vertical

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What are adjacent angles?

Adjacent angles are angles that have a common side and a common vertex, but no common interior points.

What are vertical angles?

Vertical angles are the opposite angles formed when two lines intersect. They have the same measure.

Can adjacent angles be nonadjacent?

No, adjacent angles must share a common side.

Do vertical angles share a common side?

No, vertical angles do not share a common side.

How many degrees are in a straight angle?

A straight angle measures 180 degrees.

If two angles are adjacent, do they have a common vertex?

Yes, adjacent angles have a common vertex.

Are adjacent angles supplementary?

Yes, adjacent angles can be supplementary.

If two angles are vertical, do they share a common interior?

No, vertical angles do not share a common interior.

Can two adjacent angles be more than 180 degrees?

No, the sum of adjacent angles is always less than or equal to 180 degrees.

Which type of angles are formed when two lines intersect?

Vertical angles are formed when two lines intersect.

What is the measure of adjacent angles whose sum is 90 degrees?

The measure of adjacent angles whose sum is 90 degrees is 45 degrees each.

What is the measure of vertical angles whose sum is 180 degrees?

The measure of vertical angles whose sum is 180 degrees is 90 degrees each.

Can adjacent angles have the same measure?

Yes, adjacent angles can have the same measure.

Do vertical angles form a straight line?

No, vertical angles do not form a straight line.

What is the sum of adjacent angles?

The sum of adjacent angles can vary and is not fixed.

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Test Your Knowledge


What are angles that have a common side and a common vertex, but no common interior points called?



What are the opposite angles formed when two lines intersect called?



If two angles are adjacent, do they share a common side?



Do vertical angles share a common interior?



What is the measure of a straight angle in degrees?



Are adjacent angles supplementary?



Can two adjacent angles have a sum greater than 180 degrees?



Which type of angles are formed when two lines intersect?



What is the sum of adjacent angles?



Are vertical angles the same as adjacent angles?




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