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www.ck12.org Parallel and Perpendicular Lines Review Parallel and Skew Lines Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. In the following figure, identify the skew lines. (a) (b) (c) (d) AB and FH GH and DH AB and CD None of the above 2. In the following figure, the area between lines ’a’ and ’b’ is best described as ____ space between parallel lines. (a) (b) (c) (d) Interior Exterior Slope Intersect 3. The straight lines AB and CD are _____. (a) (b) (c) (d) Parallel Not parallel because the given two angles do not add to 180 degree Are not parallel because the two given alternate angles are not equal None of the above True or False Questions. Indicate True or False for the following Statements 4. All angles formed when a transversal crosses parallel lines are equal. ( True/False ) 1 www.ck12.org Corresponding Angles Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. The figure formed by two rays with the same initial point is called a(n)_____. (a) (b) (c) (d) Angle Triangle Quadrilateral Circle 2. In the figure, lines l and m are parallel. (a) (b) (c) (d) Parallel Not parallel Perpendicular None of the above True or False Questions. Indicate True or False for the following Statements 3. In the figure, lines l and m are parallel. ( True/False ) 4. Two angles are supplementary if the sum of the two angles is 90 degrees. ( True/False ) Alternate Interior Angles Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. Find the measure of angle 1. 2 www.ck12.org (a) (b) (c) (d) 60 degrees 120 degrees 90 degrees 100 degrees True or False Questions. Indicate True or False for the following Statements 2. When two parallel lines are cut by a transversal, two congruent pairs of vertical angles are formed. ( True/False ) 3. The angles formed by a transversal that are located inside two parallel lines are called alternate interior angles. ( True/False ) 4. In the figure, angles 1 and 2 are a pair of alternate interior angles. ( True/False ) Alternate Exterior Angles Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. The part consisting of all those points which lie outside an angle, is called the_____ of the angle. (a) (b) (c) (d) Exterior Interior Vertex None of the above True or False Questions. Indicate True or False for the following Statements 2. In Tin’s town, lane P is parallel to lane Q. 3 www.ck12.org ( True/False ) 3. When two lines intersect at a point, then vertically opposite angles are always equal. ( True/False ) 4. The pair of angles on opposite sides of the transversal but outside the two lines are called alternate exterior angles. ( True/False ) Same Side Interior Angles Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. Find values of ’x’ and ’y’. (a) (b) (c) (d) 60 degrees, 120 degrees 120 degrees, 60 degrees 100 degrees, 60 degrees 80 degrees, 140 degrees True or False Questions. Indicate True or False for the following Statements 2. The same side interior angles formed when a transversal cuts two lines which may or may not be parallel are always congruent. ( True/False ) 3. Line l is parallel to line m. ( True/False ) 4. If the same side interior angles between two lines cut by a transversal measure 130 degrees and 67 degrees, the lines are parallel. ( True/False ) Perpendicular Lines Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. If a line has a slope of 3, any line perpendicular to it will have a slope of ____. 4 www.ck12.org (a) (b) (c) (d) -1/3 3 1 -1 True or False Questions. Indicate True or False for the following Statements 2. Perpendicular lines are also intersecting lines because they cross each other. ( True/False ) 3. A rectangle has one pair of parallel sides. ( True/False ) 4. Two lines are perpendicular to each other if the slopes of the lines are negative reciprocals of each other. ( True/False ) Slope in the Coordinate Plane Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. A positive slope rises from: (a) (b) (c) (d) Right to left Left to right Both A, B None of the above True or False Questions. Indicate True or False for the following Statements 2. The slope is the ratio of the change in the y-values over the change in the x-values. ( True/False ) 3. The slope of line y = [U+0088][U+0092]2x + 6 is 6. ( True/False ) 4. The slope-intercept form is probably used most frequently to express the equation of a line. ( True/False ) Parallel Lines in the Coordinate Plane Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. The center of the coordinate plane is called the _____. (a) (b) (c) (d) Origin x axis y axis None of the above 2. Lines that never intersect in a coordinate plane are called _____. 5 www.ck12.org (a) (b) (c) (d) Parallel Perpendicular Transversal None of the above True or False Questions. Indicate True or False for the following Statements 3. The lines 3x + 4y = 7 and y = 3/4x + 1 are parallel, because their slopes are equal. ( True/False ) 4. The slope of the line that passes through the points (0,6) and (5, 2) is (-4/5) . ( True/False ) Perpendicular Lines in the Coordinate Plane Multiple Choice Questions. For each question, four alternative choices are given, of which only one is correct. You have to select the correct alternative and mark it in the appropriate option. 1. If line A is perpendicular to line B, the angle between the two lines will be _____ degrees. (a) (b) (c) (d) 180 90 270 45 True or False Questions. Indicate True or False for the following Statements 2. Lines A and B are perpendicular to each other. If the slope of line A is 2, then the slope of line B is -1. ( True/False ) 3. The vertical line of the two perpendicular number lines in a coordinate plane is the x axis. ( True/False ) 4. In a coordinate plane system, the origin is the point of intersection of the x-axis and y-axis. ( True/False ) 6