Question

La nesecito urgente ​

Answer 1

Respuesta:

16 cm

Explicación paso a paso:

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