6X + 8Y - 4Z = 5 1X + 2Y + 5Z = 9 9X - 3Y + 3Z = 6 resolverlo por metodo de Gauss jordan

each side is 10 cm

explanation:

since a square has equal sides, all your sides must be equal. so u must find a number that will equal 100, but it must be the same number.

so, to find the answer to that, u must find the square root of 100.

the square root of 100 is 10.

so therefore, the answer is 10 cm