Math, asked by choudharypayal99, 9 months ago

please do it fast please guys help me

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Answers

Answered by hiyabhatt8126

0

Answer:

55

Step-by-step explanation:

in triangle abc

ab=ac

angle b=angle c=x ( isosceles triangle theorem)

angle a +2x=180 (angle sum property)

42+2x=180

2x=138

x=69

angle c =69

14+angle BCD = 69

angle BCD =69-14=55

pls mark branliest

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