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ZIMSEC O-Level Mathematics

8.3Polygons

Polygons in ZIMSEC O-Level Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 8.3.1Use the properties of triangles and special quadrilaterals.
  2. 8.3.2Calculate interior and exterior angles of polygons and the number of sides of a regular polygon.
  3. 8.3.3Name polygons with up to ten sides.

Lessons

  • Polygons

    20 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Polygons: sample question

1 mark

Find the size of each exterior angle of a regular decagon (10 sides).

Answer in °.

Turn Polygons into a strength.

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