IXL | Identify complementary, supplementary, vertical, and adjacent angles | 7th grade math

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Which angle is adjacent to 3?

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2

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5

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Learn with an example

question

Which angle is vertical to 1?

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3

key idea

Vertical angles are angles formed opposite each other when two lines intersect.

solution

Look at 1 and 4:

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2

3

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4 and 1 are vertical angles.

Looking for more? Try these:

Lesson: Complementary angles

Lesson: Supplementary angles

Lesson: Vertical angles

Lesson: Adjacent angles

or

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Teacher tools

Work it out

Not feeling ready yet? These can help:

Y.1Name, measure, and classify angles

Lesson: Complementary angles

Lesson: Supplementary angles

Lesson: Vertical angles

Lesson: Adjacent angles