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Solution:

Similar triangles- Two triangles are said to be similar if the ratio of their corresponding sides are equal.

Here, In five different triangles , triangle ABC, GHI and JKL have similar ratio of their correspondig sides .

ratio of corresponding sides of triangle MNO and DEF are not similar to triangle ABC.

Hence, triangle MNO and DEF are not similar to trianlge ABC.

If the ratio of their corresponding sides are identical, then the triangles are similar to each other. Triangle ABC, GHI and JKL have similar ratio of their corresponding sides. Thus, Triangle ABC,JKL and GHI are similar to each other.

It is not necesary that sides are equal in similar triangles but it is mandatory to have all the angles are identical in similar triangles.

If the length of corresponding sides of the triangle are in the same proportion then the triangles are similar to each other.

Therefore,

  • Sides of the triangle ABC and triangle GHI are in proportion, hence both the triangles are similar to each other.
  • Sides of the triangle ABC and triangle JKL are in proportion, hence both are similar to each other.
  • Similarly, triangle JKL and GHI both are similar to each other.

To know more about similarity, please refer to the link:

https://brainly.com/question/20502277