(A) \(7\)
(B) \(14\)
(C) \(21\)
(D) \(24\)
(A) \(12\)
(C) \(16\)
(D) \(18\)
Find the value of \(y \) in \(\,\text{cm}\) diagram below using Pythagoras' theorem.
(C) \(10\)
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