Answer :

shreyagangwal1

answer = 30

Step-by-step explanation:

considering anyone out of 3 triangles as 120

then according to traingle law,

angle A + angle B + Angle C =180

so, lets say angle A as 120 and B and C as x.

so 120+ x +x = 180

so 120+ 2x = 180

so 2x = 180-120=60

so 2x =60

then x = 30

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