in triangle abc and triangle def , if l(AB)=l(DE) m ABC=m DEF and l(BC)=l(EF) then by what test they are congruerd​

2 thoughts on “in triangle abc and triangle def , if l(AB)=l(DE) m ABC=m DEF and l(BC)=l(EF) then by what test they are congruerd​”

1. Answer:

   ∆PQR,

   ∠P + ∠Q + ∠R = 180∘ (Angle sum property)

   ⇒ 70∘ + 65∘ + ∠R = 180∘

   ⇒ 135∘ + ∠R = 180∘

   ⇒ ∠R = 180∘ − 135∘

   = 45∘

   Hence, the measure of ∠R is 45∘.

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2. SAS

   (SIDE ANGLE SIDE )

   (IF ITS ANGLE DEF=ANGLE ABC

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