In the given figure, in $ riangle ABC$, $AD \perp BC$ and $\angle BAC = 90°$. If $BC = 16$ cm and $DC = 4$ cm, then the value of $x$ is:

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Question

In the given figure, in $	riangle ABC$, $AD \perp BC$ and $\angle BAC = 90°$. If $BC = 16$ cm and $DC = 4$ cm, then the value of $x$ is:

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Accepted Answer

Step 1: In right $	riangle ABC$ with $\angle BAC = 90°$ and $AD \perp BC$: $AC^2 = DC 	imes BC = 4 	imes 16 = 64$. $AC = 8$ cm.

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