In the figure if XZ is 10cm calculate RY in cm - JAMB Mathematics 1992 Question

In the figure, if XZ is 10cm, calculate RY in cm

A

10

B

10(1 - \(\frac{1}{\sqrt{3}}\))

C

10(1 - \(\frac{1}{\sqrt{2}}\))

D

10[1 - \(\sqrt{3}\)]

correct option: b

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