Question

Ayuda porfavor es para mañana

Answer 1

Respuesta:

Pitágoras:

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

${25}^{2} = {20}^{2} + {x}^{2}$

$625 = 400 + {x}^{2}$

$625 - 400 = {x}^{2}$

$225 = {x}^{2}$

$\sqrt{225} = x$

$15 = x$