Q6 of 168 Page 4

State SAS similarity criterion.

SAS similarity criterion: If one angle of a triangle is equal to one angle of the other triangle and the sides including these angles are proportional, then the two triangles are similar.


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4

State AAA similarity criterion.

 5

State SSS similarity criterion.

 7

In the adjoining figure, DE is parallel to BC and AD = 1 cm, BD = 2 cm. What is the ratio of the area of A ABC to the area of A ADE?

 8

In the figure given below. If AD = 2.4 cm, DB = 3.6 cm and AC = 5 cm. Find AE.