Question

calcular el area (cm2) de un cuadrado cuya diagonal mide 10 cm​

Answer 1

Explicación paso a paso:

$(10cm) {.}^{2} = {x}^{2} + {x}^{2} \\ 100 {cm}^{2} = 2 {x}^{2} \\ {x }^{2} = \frac{100}{2} \\ {x}^{2} = 50 \\ {x}^{2} = \sqrt{50} \\ x = 5 \sqrt{2}$

Área del cuadrado L^2

(5√2) ^2= 25.2= 50 cm^2