WAEC Mathematics 2024 Theory — Question 4
Question 4 of 13 from the West African Examinations Council (WAEC) Mathematics 2024 Theory paper, with the correct answer and a full explanation.
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4. In the diagram, ABCD is a circle centre O. The quadrilateral OBCD is a rhombus such that ∠ADO = ∠OBA = y and ∠BAD = t. Find: (a) the value of t; (b) the value of y; (c) ∠ADC.
Model answer
(a) t = 60° (b) y = 30° (c) ∠ADC = 90°
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