Question

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Answer 1

Answer:

a . = 180- 65 (linear pair)

a = 115

b= 42 ( vertically opposite angle)

let angle adjacent to a be x

x = 65 ( vertically opposite angle)

x + b + c = 180 (angle sum property of a triangle)

c = 180 - (65+ 42)

c = 180 - 107

c = 73

let angle adjacent to d be y

y = c (vertically opposite )

y ,= 73

y+ d =180 ( linear pair)

d =180- 73

d = 107

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i can do it on paper but mehandi lagi hai so thats why

Answer 2

angle A=180°-65° (straight line)

therefore,angle A=115°

angel B=42° (vertically opposite angle)

for angel C:-

angle B +angle C+angle 1=180° (angle sum property)

therefore angle C =73°