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Answer :

Answer:

if two sides of one triangle are proportional to two sides of another triangle and their included angles are congruent, then the triangles are similar.

Answer:

  • Option C

Step-by-step explanation:

SAS requires two sides have same ratio and the included angle to be congruent.

We are given two sides with ratio:

  • GH/IR = 8/12 = 2/3
  • FH/SR = 12/18 = 2/3

The missing information is the congruence of the included angle:

  • ∠H ≅ ∠ R

Correct answer choice is C

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