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## Question

primary 5 | Maths
| Angles & Geometry

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From given diagram,

BCD= 90

BCE = 90

ACE = ACB + BCE

126 = ACB + 90

ACB = 36

BCD = ACD + ACB

90 = ACD + 36

ACD = 90-36 = 54

ACB = 36, ACD = 54

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