This video tutorial covers pairs of angles, including adjacent, complementary, supplementary, and vertical angles. It explains their properties and how to identify them in diagrams. The tutorial also includes problem-solving examples to reinforce understanding of these angle types, focusing on their relationships and congruence.

What is a characteristic of adjacent angles?

• They are always equal in measure.

• They add up to 90 degrees.

• They share a common vertex and side.

• They form a straight line.

Tags

CCSS.7.G.B.5

What is the sum of complementary angles?

• 180 degrees

• 45 degrees

• 90 degrees

• 360 degrees

Tags

CCSS.7.G.B.5

Which of the following is true about supplementary angles?

• They form a straight line when adjacent.

• They add up to 90 degrees.

• They are equal in measure.

• They are always adjacent.

Tags

CCSS.7.G.B.5

What defines vertical angles?

• They are formed by two intersecting lines.

• They add up to 180 degrees.

• They are adjacent angles.

• They are always complementary.

Tags

CCSS.8.G.A.2

How can you show that two angles are congruent using arcs?

• Use different colors for each angle.

• Use arcs and hash marks together.

• Use the same number of arcs for both angles.

• Use different numbers of arcs for each angle.

Tags

CCSS.7.G.B.5

If two angles are vertical, what can be said about their measures?

• They are adjacent.

• They are equal.

• They are supplementary.

• They are complementary.

Tags

CCSS.7.G.B.5

In a problem involving vertical angles, if one angle is 23 degrees, what is the measure of the opposite angle?

• 46 degrees

• 90 degrees

• 23 degrees

• 157 degrees

Tags

CCSS.7.G.B.5

Which pair of angles forms a linear pair?

• Two angles that are adjacent.

• Two angles that form a straight line.

• Two angles that add up to 90 degrees.

• Two angles that are equal.

Tags

CCSS.7.G.B.5

If angle INJ is 61 degrees, what is the measure of angle JNL?

• 61 degrees

• 180 degrees

• 119 degrees

• 90 degrees

Tags

CCSS.7.G.B.5

Which angles are complementary if angle INJ is 61 degrees?

• Angle JNL and angle KNL

• Angle INJ and angle MNL

• Angle INK and angle KNL

• Angle INJ and angle JNK

Tags

CCSS.7.G.B.5