Question: in the adjoining figure abcd is a rhombus and edc is an equilateral triangle?
Answer: In the adjoining figure ABCD is a rhombus and EDC is an equilateral triangle. If ∠DAB = 48°, find. (1) ∠BEC (2) ∠DEB (3) ∠BFC. [Hint- ∠BCE = 48° + 60° = 180° , BC = EC]