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Question Number 189665 by Rupesh123 last updated on 20/Mar/23

Answered by HeferH last updated on 20/Mar/23

$${\mathrm{AB}}^2=16\cdot 9$$$$\mathrm{AB}=12$$

Commented by cortano12 last updated on 20/Mar/23

$$\mathrm{what}\mathrm{the}\mathrm{formula}?$$

Commented by som(math1967) last updated on 20/Mar/23

$$△ABP\sim △CBA$$$$\therefore \frac{AB}{BP}=\frac{BC}{AB}$$$$\Rightarrow {AB}^2=(7+9).9$$$$AB=12cm$$

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