Mathematics
Grade9
Easy

Question

In the given figure, two triangles are similar, then it satisfies

  1. SAS similarity criteria
  2. SSS similarity criteria
  3. AA similarity criteria
  4. Data inadequate

hintHint:

The SSS criterion for triangle similarity states that if three sides of one triangle are proportional to three sides of another triangle, then the triangles are similar.

The correct answer is: SSS similarity criteria


    The SSS criterion for triangle similarity states that if three sides of one triangle are proportional to three sides of another triangle, then the triangles are similar.
     
    In triangleABC and triangleSRT
    fraction numerator S R over denominator A B end fraction equals space fraction numerator 3.5 over denominator 7 end fraction space equals 1 half
fraction numerator S T over denominator B C end fraction equals space 4 over 8 space equals space 1 half
fraction numerator R T over denominator A C end fraction equals space 6 over 12 equals 1 half

    Since the corresponding sides are proportional fraction numerator S R over denominator A B end fraction equals fraction numerator S T over denominator B C end fraction equals fraction numerator R T over denominator A C end fraction = 1 half
    Thus, triangleABC approximately equal to triangleSRT, by SSS similarity criterion.

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