Grade 8 Geometry: Quadrilaterals & Parallelograms (SABIS Lesson 1.1 Practice & Solutions)

Welcome to this step-by-step tutorial on Lesson 1.1: Quadrilaterals from the SABIS Grade 8 Geometry curriculum. In this video, we cover key definitions, properties, and step-by-step worked solutions for activities and practice examples, including: definitions & Properties: Quadrilaterals, Parallelograms, Trapezoids, Rectangles, Rhombuses, and Squares. Identifying Components: Opposite sides, consecutive sides, opposite angles, and consecutive angles. Solving Equations: Finding missing angle measurements and variable side lengths using consecutive interior angle properties and side congruence. 📌 Target Audience: SABIS Grade 8 Students preparing for quizzes, tests, or homework review. TIMESTAMPS: 00:00 - Lesson 1.1: Definitions of Quadrilaterals 04:03 - Activity 1: Opposite & Consecutive Components 07:34 - Example 1: Parallelogram Angle Equations (Finding a & b) 12:41 - Example 2: Rhombus Proof Example #SABIS #Grade8Math #Geometry #Quadrilaterals #MathHelp