Correct Answer: Option C

Explanation

In right angled \(\bigtriangleup\)QPR

tan 30^o = \(\frac{10}{x + 8}\)

(x + 8) tan 30 = 10

x + 8 = \(\frac{10}{0.5773}\)

x +8 = 17.3

x = 17.3 - 8

x = 9.32

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