Question

En el siguiente triángulo ABC, a = 13 cm, c = 19cm,

Answer 1

Explicación paso a paso:

$a {}^{2} + b {}^{2} = c {}^{2}$

$b = \sqrt{c {} ^{2} - a {}^{2} }$

$b = \sqrt{361 - 169}$

$b = \sqrt{192}$

$b = 8 \sqrt{3} \\ b = 13.8 \\ b = 14cm$