Question

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​

Answer 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∘.

Answer 2

SAS

(SIDE ANGLE SIDE )

(IF ITS ANGLE DEF=ANGLE ABC