Respuesta :

Hrishii

Answer:

[tex]hj = 11[/tex]

Step-by-step explanation:

  • [tex](h+j)^2=73,\:\: and\:\: h^2+j^2 =51[/tex] (Given)

  • [tex](h+j)^2 = h^2+j^2 +2hj[/tex]

  • [tex]\implies 73= 51 +2hj[/tex]

  • [tex]\implies 73- 51 =2hj[/tex]

  • [tex]\implies 22 =2hj[/tex]

  • [tex]\implies hj = \frac{22}{2}[/tex]

  • [tex]\implies hj = 11[/tex]

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