. ABC is an equilateral triangle of side 3 units. The points P, Q lie on BC, CA respectively and are such that AQ = CP = 2units. If the point R lies on AB produced so that BR = 1unit, prove that P, Q, R are collinear

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never