Page 1 - LN 8

Subject – Mathematics

Chapter 1 – AREA & PERIMETER

Sub-topic 8 : AREA OF IRREGULAR SHAPES

Area of Irregular Shapes
Irregular shapes are the polygons with five or more sides of varying lengths. These
shapes or figures can be decomposed further into triangles, squares, and
quadrilaterals to evaluate the area.

Some examples of irregular shapes are as follows:

Calculating the area of irregular shapes:
The approaches to estimating the area of irregular shape are:
Evaluating area using unit squares
Apply this technique for the shapes with curves apart from perfect circle or
semicircles and irregular quadrilaterals. In this method, divide the shape into unit
squares. The total number of unit squares falling within the shape determines the
total area.

My garden is a difficult shape, so how can I find its area?

Good! This activity just got interesting ...But my garden is different ...