Joyous LearningAug 23, 20181 min read2017 PSLE Maths Angle QuestionMinah has a triangular piece of paper ABC with BA = BC. ADC and BEC are straight lines. She folded it along the line DE as shown below. (a) Find angle X(b) Find angle Y Video solution: #Mathsinreallife #MathsHeuristicsPSLE•Mathematics869 views8

Minah has a triangular piece of paper ABC with BA = BC. ADC and BEC are straight lines. She folded it along the line DE as shown below. (a) Find angle X(b) Find angle Y Video solution: #Mathsinreallife #MathsHeuristics