Exploring Angle Relationships for 8th Grade Math

The video tutorial covers various angle relationships, starting with interior angles of triangles and their sum of 180 degrees. It explains how to find missing angles using this property. The tutorial then moves to exterior angles, showing how they relate to remote interior angles. It also covers angles formed by parallel lines and a transversal, highlighting congruent and supplementary angles. Finally, the video discusses similar figures, emphasizing the importance of consistent proportions and corresponding sides.

What is the sum of the interior angles of a triangle?

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

Tags

CCSS.8.G.A.5

If two angles of a triangle are 65 degrees and 75 degrees, what is the measure of the third angle?

• 50 degrees

• 40 degrees

• 60 degrees

• 30 degrees

Tags

CCSS.8.G.A.5

What is the relationship between an exterior angle and the remote interior angles of a triangle?

• They are equal

• They are supplementary

• The exterior angle is the sum of the remote interior angles

• The exterior angle is half the sum of the remote interior angles

Tags

CCSS.8.G.A.5

If one of the interior angles of a triangle is 30 degrees, what is the measure of its supplementary exterior angle?

• 90 degrees

• 120 degrees

• 60 degrees

• 150 degrees

Tags

CCSS.8.G.A.5

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

• They are equal

• They are supplementary

• They are complementary

• They are adjacent

Tags

CCSS.8.G.A.5

If one angle formed by a transversal cutting two parallel lines is 59 degrees, what is the measure of its corresponding angle?

• 180 degrees

• 121 degrees

• 59 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

What is the measure of an angle that is supplementary to a 100-degree angle formed by a transversal cutting two parallel lines?

• 80 degrees

• 120 degrees

• 90 degrees

• 100 degrees

Tags

CCSS.7.G.B.5

What is true about the angles of similar figures?

• They are adjacent

• They are complementary

• They are congruent

• They are supplementary

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If the side lengths of two similar figures are proportional, what can be said about their corresponding angles?

• They are supplementary

• They are proportional

• They are complementary

• They are equal

Tags

CCSS.HSG.SRT.A.2

Which of the following proportions is consistent for similar figures?

• New over original equals new over original

• Original over new equals original over new

• Original over new equals new over original

• New over original equals original over new

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6