In the adjoining figure trapezium ABCD angle C = 102 degrees find all angles.
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Hello There,
Angle A = Angle B = 78 degree
Angle D = 102 degree
Step-by-step explanation:
Given :
AB parallel to CD
AD = BC
Angle C + Angle B = 180 degree ( Co - interior angles )
Angle B = 180 - 102.
Angle B = 78 degree
The base angles of an isosceles trapezium is equal.
So, Angle B = Angle A = 78 degree.
Angle D = 180 - Angle A ( Co - interior angles )
Angle D = 180 - 78
Angle D = 102 degree
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