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Shape, Space, and Symmetry · Autumn Term

Perimeter and Circumference

Calculating the perimeter of polygons and the circumference of circles, including composite shapes.

Key Questions

  1. How is the perimeter of a polygon calculated, and what are its real-world applications?
  2. Explain the relationship between the diameter, radius, and circumference of a circle.
  3. Construct methods to find the perimeter or circumference of complex shapes.

NCCA Curriculum Specifications

NCCA: Junior Cycle - Geometry and Trigonometry - G.3.1
Class/Year: 2nd Class
Subject: Mathematical Explorers: Building Foundations
Unit: Shape, Space, and Symmetry
Period: Autumn Term

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