Mensuration and Surface Analysis · Geometry & Measurement

Area of Trapeziums and Polygons

Deriving formulas for the area of specialized quadrilaterals and irregular polygons.

Key Questions

  1. 1How can any irregular polygon be decomposed into triangles and trapeziums to find its area?
  2. 2Why is the area of a rhombus half the product of its diagonals?
  3. 3How does the height of a trapezium relate to its parallel sides in the area formula?

CBSE Learning Outcomes

CBSE: Mensuration - Area of Polygons - Class 8
Class: Class 8
Subject: Mathematics
Unit: Mensuration and Surface Analysis
Period: Geometry & Measurement

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