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Answer:option b
in triangle ABC
angle A+angle B +Angle C =180°
80+40+angle C=180°
c=60°
now,triangle ABC=TRIANGLE FDE
thus by cpct
A=F=80°
B=D=40°
C=E=60°
AB=FD=5 CM
BD=DE
AC=EF
Answered by
0
Answer:
B) Is correct one...
Step-by-step explanation:
Triangle ABC is congruent to FDE....
angle A = 80 degree while angle B = 40 ...Sum of all angles of a triangle is 180 degrees....So Angle C = 60 degrees ...
As Triangle ABC is equal to Triangle FDE ...
So ..AB=DF.
..5=5
And ...Angle C = Angle E....
60 degrees = 60 degrees...
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