Correct Answer: Option A

Explanation

In \(\bigtriangleup\)WOP, b² = r² - (4.50²...........(i)

In \(\bigtriangleup\)WOT, b\(\bigtriangleup\) + (4.5 + x)² = a²...........(ii)

In \(\bigtriangleup\)ZOT, a² = 6² + r² ..........(iii)

subst. equation (iii) and (i) in eqn (ii)

r² - (4.5)² + (4.5 + x)² = 36 = 20.25

= (4.5 + x)² = \(\sqrt{56.25}\) = (4.5 + x)

= 56.25

= 4.5 + x = 7.5

x = 3.0m

x =

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