Exploring 8th Grade Math: Chapter 11 Review

This video is a review session for 8th graders covering Chapter 11 of their math curriculum. It revisits key concepts such as parallel lines and angles, angle theorems, and angle-angle similarity. The video provides practice problems and solutions, encouraging students to highlight areas they feel confident in or need to review further. The session emphasizes understanding congruent angles, supplementary angles, and solving algebraic expressions related to geometry.

What type of angles are formed by two intersecting lines?

• Corresponding angles

• Supplementary angles

• Vertical angles

• Alternate interior angles

What type of angles are angle 2 and angle 6?

• Corresponding angles

• Vertical angles

• Alternate exterior angles

• Supplementary angles

If angle 7 is 135 degrees, what is the measure of angle 3?

• 90 degrees

• 45 degrees

• 180 degrees

• 135 degrees

If angles 1 and 3 are supplementary and angle 3 is 135 degrees, what is the measure of angle 1?

• 180 degrees

• 45 degrees

• 135 degrees

• 90 degrees

What is the value of x if x + 23 is set as a corresponding angle to another angle measuring 27 degrees?

• 4

• 23

• 27

• 50

What is the value of x when solving the equation 3x + 2x = 180?

• 36

• 30

• 60

• 72

Using the triangle sum theorem, what is the missing angle if two angles in the triangle are 90 and 65 degrees?

• 25 degrees

• 30 degrees

• 35 degrees

• 45 degrees

What is the measure of an exterior angle if its remote interior angles are 70 and 39 degrees?

• 89 degrees

• 101 degrees

• 111 degrees

• 109 degrees

In similar triangles, if one angle in the smaller triangle is 48 degrees, what is the corresponding angle in the larger triangle?

• 180 degrees

• 34 degrees

• 90 degrees

• 48 degrees

In a proportion problem involving similar triangles, if the sides of the smaller triangle are 20 and the larger triangle are 40, what is the ratio of their sides?

• 1:1

• 2:1

• 1:2

• 1:3