Class 10 Maths Triangles Congruent Figures

Congruent Figures: Congruent means equal in all respect. These figures have same shape & size.

Similar figures have same shape, but size may differ. All congruent figures are similar but vice versa is not true.  

Two polygons of the same number of sides are similar, if

  • their corresponding angles are equal and
  • Their corresponding sides are in the same ratio (or proportion).

The same ratio of the corresponding sides is referred to as the scale factor for the polygons. World maps and blue prints for the construction of a building are prepared using a suitable scale factor.



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