PSLE Math 2022 Paper 2 Question 12
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(Angles of Triangles Question)
PSLE Math 2022 Paper 2 Question 12
Watch the explanation here!
a) Ans: 39˚
∠DCE = (180˚ - 138˚)/2
= 21˚
∠ACD = 60˚ - 21˚
= 39˚
b) Ans: 111˚
∠CAD = 60˚ - 30˚
= 30˚
∠CDA = 180˚ - 30˚ - 39˚
= 111˚
c) Ans: 99˚
∠BAC = ∠ACD = 39˚
∠EAB = 60˚ + 39˚
= 99˚
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