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
    (More Questions for each concept available in Login)
    Question : 1

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

    Right Option : D
    View Explanation
    Explanation
    Question : 2

    In the above figure,If in  bigtriangleup ABD; and in bigtriangleup CEFfrac{AB}{BD}=frac{EF}{CE}  and angle A=angle F;,angle B=angle E then for these triangles to be similar which relation must hold for sides and angles of triangle?

    Right Option : B
    View Explanation
    Explanation
    Question : 3

    In the above figure, if bigtriangleup ABC;and;bigtriangleup DEF are similar, Then which of the following statement will be false?

    1. frac{AB}{DE}=frac{AC}{DF}

    2.frac{AB}{DE}=frac{BC}{EF}

    3.frac{AB}{DE}=frac{BC}{DE}

    Right Option : C
    View Explanation
    Explanation
     
    Video Link - Have a look !!!
     
    Language - English
     
     
     
     


    Students / Parents Reviews [20]