Adjacent and Vertical Angles

Front

What are adjacent angles?

Back

Adjacent angles are two angles that share a common side and a common vertex, but do not overlap.

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal in measure.

Front

What is the relationship between adjacent angles?

Back

Adjacent angles can be supplementary (adding up to 180 degrees) or can be part of a larger angle.

Front

What is the relationship between vertical angles?

Back

Vertical angles are always equal to each other.

Front

If angle 1 and angle 4 are vertical angles, what can be said about their measures?

Back

The measures of angle 1 and angle 4 are equal.

Front

If angle CXB and angle BXA are adjacent, what does that imply?

Back

It implies that they share a common side and vertex.

Front

Can two angles be both adjacent and vertical?

Back

No, two angles cannot be both adjacent and vertical at the same time.

Front

What is an example of adjacent angles?

Back

Angle AXG and angle GXE are adjacent angles.

Front

What is an example of vertical angles?

Back

Angle AOB and angle COD are vertical angles.

Front

How can you identify adjacent angles in a diagram?

Back

Look for angles that share a common side and vertex without overlapping.