1.

Two triangles are similar .then:-all sides are equal of both triangles, ratio of their corresponding sides are equal, only two sides are equal, all sides of both triangles are unequal​

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✬ ANSWER ✬

➟ Two TRIANGLES are similar then ratio of their corresponding sides are equal.

(Option 3 is correct)

★ Criteria for similarity of two triangles

i.) Their corresponding angles are equal.

ii.) Their corresponding sides are proportional.

∆ABC ~ ∆DEF only if

  • ∠A = ∠D

  • ∠B = ∠E

  • ∠C = ∠F

and

  • AB/DE

  • BC/EF

  • CA/FD

[ Some theorems ]

  • AAA - similarity
  • AA - similarity
  • SSS - similarity
  • SAS - similarity


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