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 answer is B
RY = YZ - RZ
= 10 tan 45 - 10 tan 30
= 10(1 - \(\frac{1}{\sqrt{3}}\))