Question

A partir de la figura, determina la longitud x.

Answer 1

aplica Pitágoras

${h}^{2} = {a}^{2} + {b}^{2} \\ {20}^{2} = {12}^{2} + {b}^{2} \\ 400 = 144 + {b}^{2} \\ 400 - 144 = {b}^{2} \\ \sqrt{256} = b \\ 16 = b$

R/ el lado x mide 16