PSLE Math 2018 Paper 2 Question 12
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(Trapezium ACDE Angles Question)
PSLE Math 2018 Paper 2 Question 11
(a) Ans: 126
∠BCA = ∠CAE = 27˚ (alt. ∠s, BC //AE)
∠BCA = ∠BAC = 27˚ (base ∠s of isosceles ∆ ABC)
∠ABC = 180˚ - 27˚ - 27˚ = 126˚ (∠ sum of ∆ ABC)
(b) Ans: is not, is not
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