Question

1) a)Calcule o valor de x; b) qual a alternativa certa a)8,74... b)6 c)36 por favor responder com a conta

Answer 1

Resposta:

a)x^2=12^2+5^2

x=169raiz2

X=13

b)7,5^2=4,5^+x^2

56,25=20,25+x^2

X^2=36

X=36raiz2

X=6