9th Maths 2 Problem Set 2 Lecture 1 Parallel Lines Chapter 2| Std 9th | Maths 2 | Geometry

This Video explains Problem Set 2 Class 9 of Parallel Lines Chapter 2 of Standard 9 for Geometry Maharashtra State Board. Question 1. Select the correct alternative and fill in the blanks in the following statements. i. If a transversal intersects two parallel lines then the sum of interior angles on the same side of the transversal is ____. (A) 0° (B) 90° (C) 180° (D) 360° ii. The number of angles formed by a transversal of two lines is _____. (A) 2 (B) 4 (C) 8 (D) 16 iii. A transversal intersects two parallel lines. If the measure of one of the angles is 40°, then the measure of its corresponding angle is ______. (A) 40° (B) 140° (C) 50° (D) 180° iv. In ∆ABC, ∠A = 76°, ∠B = 48°, then ∠C = _____. (A) 66° (B) 56° (C) 124° (D) 28° v. Two parallel lines are intersected by a transversal. If measure of one of the alternate interior angles is 75° then the measure of the other angle is _____. (A) 105° (B) 15° (C) 75° (D) 45° Question 2. Ray PQ and ray PR are perpendicular to each other. Points B and A are in the interior and exterior of ∠QPR respectively. Ray PB and ray PA are perpendicular to each other. Draw a figure showing all these rays and write – i. A pair of complementary angles ii. A pair of supplementary angles iii. A pair of congruent angles.