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Leya [2.2K]
3 years ago
5

Please helppppppppppppppppppppppppppppp

Mathematics
1 answer:
Jobisdone [24]3 years ago
5 0

Answer:

54

Step-by-step explanation:

angle A+angle B+Angle C =180 degree [ angle sum property of a triangle]

36 +90 + angle B =180 degree

126 +angle B =180 degree

angle B= 180-126

54 degree

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