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= +
81 = 49+
81-49 =
32 =
= x
*Factorizando seria igual a 2
Hipotenusa (a) = 9
Cateto(b) = 7
Cateto(c) = ?
Por Pitagoras.
a² = b² + c²
9² = 7² + c²
9* 9 =7 * 7 + c²
81 = 49 + c²
81 - 49 = c²
32 = c²
√32 = √c² Pero 32 = 16 * 2
√(16 * 2) = c
√16 * √2 = c
4√2 = c
Respuesta.
El cateto c = 4√2