pavlushkin200834 pavlushkin200834
  • 25-02-2022
  • Mathematics
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Find the surface area of the cone. Use 3.14 for T.

Find the surface area of the cone Use 314 for T class=

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Smokey263
Smokey263 Smokey263
  • 25-02-2022

Step-by-step explanation:

Circle area:

[tex]cA \: = ( \frac{8}{2})^{2} \times π = 50.24 \: {in}^{2} [/tex]

Circle perimeter:

[tex]cP \: = 2( \frac{8}{2}) \timesπ = 25.12 \: in[/tex]

Pyramidal area:

[tex]pA \: = (25.12 \times 7) \: = 175.84 \: {in}^{2} [/tex]

Total area:

[tex]tA \: = (50.24 + 175.84) \: = 226.08 \: {in}^{2} [/tex]

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