neohastings2004 neohastings2004
  • 03-03-2019
  • Mathematics
contestada

Find the surface area of the cone. Use 3.14 to approximate pi. Round your answer to the nearest hundredth.

Find the surface area of the cone Use 314 to approximate pi Round your answer to the nearest hundredth class=

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lastbenchstudent
lastbenchstudent lastbenchstudent
  • 03-03-2019

surface area of cone =

[tex]\pi \: r(l + r)[/tex]

where r is radius and l is slant height

r = 3 yd

l = 10 yd

Surface area =

[tex]\pi \times 3 \: (10 + 3) \\ = 3.14 \times 3 \times 13 \\ = 122.46 \: {yd}^{2} [/tex]

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vzhang607
vzhang607 vzhang607
  • 01-12-2019

Answer:

122.46

Step-by-step explanation:

i got this problem and i got it correct from my siblings that helped

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