Similar Figures


 
 
Concept Explanation
 

Similar Figures

Similar figures:

Definition:    Two polygons having the same number of sides are said to be similar, if

(i) their corresponding angles are equal; and

(ii) their corresponding sides are in the same ratio (proportional).

Corollary 

  • All equilateral triangles are similar.
  • All squares are similar.
  • All regular polygons having the same number of sides are similar.
  • All circles are similar.
  • Sample Questions
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    Question : 1

    If these two triangles are similar, then which of the relations must hold between their angles?

    Right Option : D
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    Explanation
    Question : 2

    For similarity of these two triangles which conditions must hold?

    Right Option : C
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    Explanation
    Question : 3

    If two figures are equal, then their corresponding angles are ________ ?

    Right Option : B
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    Explanation
     
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