in \[\Delta ABC,\text{ }AD\bot BC\] and \[A{{D}^{2}}=BD.DC\] the measure of \[\angle BAC\] is.

in \[\Delta ABC,\text{ }AD\bot BC\] and \[A{{D}^{2}}=BD.DC\] the measu

1.	in \[\Delta ABC,\text{ }AD\bot BC\] and \[A{{D}^{2}}=BD.DC\] the measure of \[\angle BAC\] is.
A.	\[{{60}^{{}^\circ }}\]
B.	\[{{75}^{{}^\circ }}\]
C.	\[{{90}^{{}^\circ }}\]
D.	\[{{45}^{{}^\circ }}\]
Answer» D. \[{{45}^{{}^\circ }}\]

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in \[\Delta ABC,\text{ }AD\bot BC\] and \[A{{D}^{2}}=BD.DC\] the measure of \[\angle BAC\] is.

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