Respuesta :

Answer:

1.1768

Step-by-step explanation:

  • H=7m
  • Sides=A=15m

Using Pythagorean theorem

Base of one triangle be B

[tex]\\ \sf\longmapsto B^2=15^2-7^2[/tex]

[tex]\\ \sf\longmapsto B^2=225-49[/tex]

[tex]\\ \sf\longmapsto B^2=176[/tex]

[tex]\\ \sf\longmapsto B\approx 13[/tex]

  • Total base=26m

Now

[tex]\\ \sf\longmapsto Area=\dfrac{1}{2}bh[/tex]

[tex]\\ \sf\longmapsto Area=\dfrac{1}{2}(7)(26)[/tex]

[tex]\\ \sf\longmapsto Area=13(7)[/tex]

[tex]\\ \sf\longmapsto Area=91m^2[/tex]

  • One can covers=20m^2

Total cans

[tex]\\ \sf\longmapsto 91/20=4.5cans[/tex]

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