Question

In trangle ABC, angle ABC = 90°, angle A = 30° AC = 14, then find AB and BC.
AC=14, then find AB and BC.​

Answer 1

Answer:

$in \: triangle \: abc \\ b = 90 \: degree$

$hence \: ac \: = \: 50 \: cm \:  will \: be \: the \: \\ hypotenuse. \\ </p><p></p><p>$

$And  \: AB \: = \: 14 \: cm</p><p> \: Therefore</p><p></p><p>$

$BC \: = \: </p><p>AC2−AB2cm</p><p></p><p></p><p></p><p>$

$Hence \: </p><p>tan \: \: A</p><p></p><p>$

$= \frac{perpendicular}{base}$

$= \frac{bc}{ab} \\ \\ = \frac{48}{14} \\ \\ = \frac{24}{7}$

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