2017 PSLE Maths Angle Question by admin | Aug 18, 2023 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(b) Find angle Y Video solution: #Mathsinreallife #MathsHeuristics Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.