Unit 1 In-Class Review 1) Which of the following is NOT an example of an undefined term? a. Line b. Point c. Plane d. Parallel 2) In the figure below, angle 1 and angle 2 are supplementary. What theorem/postulate can be used to prove lines m and n are parallel? m 1 2 n 3) In the diagram above, if the measure of angle 1 is 70o, what is the measure of angle 2? 4) If lines m and n are parallel, what can you conclude about angles 1 and 2? State the postulate/theorem. 1 m 2 n 5) In the diagram above, if the measure of angle 1 is 70o, what is the measure of angle 2? 6) Which property is demonstrated by the following: ̅̅̅̅̅ 𝐴𝑀 ≅ ̅̅̅̅̅ 𝐴𝑀 ̅̅̅̅, then 𝑄𝑅 ̅̅̅̅ ≅ ̅̅̅̅̅ 7) Which property is demonstrated by the following: If ̅̅̅̅̅ 𝐴𝑀 ≅ 𝑄𝑅 𝐴𝑀 ̅̅̅̅ and 𝑄𝑅 ̅̅̅̅ ≅ ̅𝑆𝑇 ̅̅̅, then ̅̅̅̅̅ 8) Which property is demonstrated by the following: If ̅̅̅̅̅ 𝐴𝑀 ≅ 𝑄𝑅 𝐴𝑀 ≅ ̅̅̅̅ 𝑆𝑇 9) Construct an angle bisector. 10) What is the equation of a line in slope-intercept form that is perpendicular to the line with points (2, 3) and (-2, 1) and goes through the point (-3, 4)? 11) What is the equation of a line in slope-intercept form that is parallel to the line with points (2, 3) and (-2, 1) and goes through the point (-4, 3)? 12) What is the slope of a line parallel to the line 2x + 6y = 6? 13) Using the given line above, write an equation in point-slope form parallel to the given line and through the point (-6, 8). 14) Sketch out the line x=3. 15) Find the distance between the points (6, 2) and (-7, 5). Leave your answer as a simplified radical. 16) Point M is the midpoint of line segment QR. If M is (-2, 7) and Q is (3, 5), find the coordinates for point R. 17) Find the area of a triangle with the vertices (0, 2), (0, 5), and (-4, 2). 18) In the diagram below, determine which of the following statement(s) is true: I. II. III. ∡𝐴𝐵𝐶 ≅ ∡𝐶𝐵𝐷 ∡𝐴𝐵𝐶 is complementary to ∡𝐶𝐵𝐷 ∡𝐴𝐵𝐶 is supplementary to ∡𝐴𝐵𝐸