Equilateral \[\Delta \,ABC\]is drawn on the side \[AB\] of square, ABD – McqOptions

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1.	Equilateral \[\Delta \,ABC\]is drawn on the side \[AB\] of square, ABDE. Find the measure of Y shown in the figure.
A.	\[{{45}^{o}}\]
B.	\[{{135}^{o}}\]
C.	\[{{255}^{o}}\]
D.	\[{{225}^{o}}\]
Answer» D. \[{{225}^{o}}\]

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