Form 1 · Mathematics

Basic Polygons

Mastering the interior and exterior angle properties of polygons is essential because examiners love testing your ability to solve for missing variables in complex composite shapes. Most students lose easy marks here by forgetting the formula for the sum of interior angles or miscalculating the exterior angles of irregular polygons.

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Other Mathematics chapters

Rational Numbers Factors and Multiples Squares, Square Roots, Cubes and Cube Roots Ratios, Rates and Proportions Algebraic Expressions Linear Equations Linear Inequalities Lines and Angles Perimeter and Area Introduction to Set Data Handling The Pythagoras Theorem

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