Grouping of Identical Figures

**Category : **9th Class

**GROUPING OF IDENTICAL FIGURES**

In such type of problems a set of figures is given. A student is required to analyse the properties of them. And hence group the figures having similar properties.

**EXAMPLE**

**Make three groups of the following figures, members of each group have the same properties.**

(a) 1, 8, 9; 4, 6, 7; 1, 3, 5

(b) 2, 5, 9; 1, 3, 8; 4, 6, 7

(c) 1, 5, 8; 4, 6, 7; 2, 3, 9

(d) 1, 3, 9; 2, 5, 8; 4, 6, 7

**Explanation (c):**

1, 5, 8 : Each open figure is bisected by a line segment.

4, 6, 7 : A line segment is additionally added to each closed figure.

2, 3, 9 : Each closed figure is intersected by a line segment.

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