# G5.30: Finding the area of a regular polygon

Purpose

This interactive learning module supports students to explore rules for the angle properties of intersecting and parallel lines.

Achievement Objectives
GM5-10: Apply trigonometric ratios and Pythagoras' theorem in two dimensions.
GM5-3: Deduce and use formulae to find the perimeters and areas of polygons and the volumes of prisms.
GM5-4: Find the perimeters and areas of circles and composite shapes and the volumes of prisms, including cylinders.
Specific Learning Outcomes
• Showing that a polygon is composed of rectangles and triangles.
• Showing that a non-right angled triangle is composed of two right-angled triangles.
• Given the length of one side, finding the area of a regular polygon.
Required Resource Materials

This module, G5.30: Finding the area of a regular polygon, is on the geometry pathway of e-ako maths adventures.

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