1 In the accompanying diagram of A ABC, a right angle is at C, AB = 8, and AC = 4. Find BC.

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28-10-2022
Mathematics

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1 In the accompanying diagram of A ABC, a right angle is at C, AB = 8, and AC = 4. Find BC.

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SrihithT442041 SrihithT442041 · Answer 1 · 2022-10-28T02:39:14+02:00

SrihithT442041 SrihithT442041

28-10-2022

[tex]\begin{gathered} \text{We know that } \\ BA^2=AC^2+CB^2 \\ 8^2=4^2+BC^2 \\ BC^2=8^2-4^2 \\ BC^2=64-16 \\ BC^2=48 \\ \\ BC=\sqrt[]{48} \\ BC=4\sqrt[]{3} \end{gathered}[/tex]

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