maddymiller321 maddymiller321
  • 02-06-2020
  • Mathematics
contestada

5. Find the surface area of the cone. Round to
the nearest hundredth.
2 ft
6 ft

5 Find the surface area of the cone Round to the nearest hundredth 2 ft 6 ft class=

Respuesta :

Аноним Аноним
  • 02-06-2020

Answer:

[tex]52.3m^2[/tex]

Step-by-step explanation:

Use these formulas

[tex]A=\pi rl+\pi r^2\\l=\sqrt{r^2+h^2}[/tex]

Now solve

[tex]A=\pi r(r+\sqrt{h^2+r^2} )\\=\pi *2*(2\sqrt{6^2+2^2} )\\=52.3m^2[/tex]

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