Question

Encontre o valor de x:

Answer 1

Explicação passo-a-passo:

$\sf cos~60^{\circ}=\dfrac{cateto~adjacente}{hipotenusa}$

$\sf \dfrac{1}{2}=\dfrac{x}{5}$

$\sf 2x=5\cdot1$

$\sf 2x=5$

$\sf x=\dfrac{5}{2}$

$\sf x=2,5~m$