Given a semicircle with O as the centre, as shown in the figure, the ratio \(\frac{{\overline {AC} + \overline {CB} }}{{\overline {AB} }}\) is _____, where \(\overline {AC} ,\;\overline {CB} \;\;and\;\;\overline {AB} \) are chords.

Given a semicircle with O as the centre, as shown in the figure, the r

1.	Given a semicircle with O as the centre, as shown in the figure, the ratio \(\frac{{\overline {AC} + \overline {CB} }}{{\overline {AB} }}\) is _____, where \(\overline {AC} ,\;\overline {CB} \;\;and\;\;\overline {AB} \) are chords.
A.	\(\sqrt 2 \)
B.	\(\sqrt 3\)
C.	2
D.	3
Answer» B. \(\sqrt 3\)

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Given a semicircle with O as the centre, as shown in the figure, the ratio \(\frac{{\overline {AC} + \overline {CB} }}{{\overline {AB} }}\) is _____, where \(\overline {AC} ,\;\overline {CB} \;\;and\;\;\overline {AB} \) are chords.

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