americanohyunnie
americanohyunnie americanohyunnie
  • 15-04-2021
  • Mathematics
contestada

Find the surface area of the prism or pyramid. Round to the nearest hundredth if necessary.

Find the surface area of the prism or pyramid Round to the nearest hundredth if necessary class=

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lucy1107
lucy1107 lucy1107
  • 15-04-2021

Answer: 602.88

Step-by-step explanation:

2πr^2+2πrh

2(3.14)(8)^2+2(3.14)(8)(4)

2(3.14)(64)+2(3.14)(32)

2(200.96)+2(100.48)

401.92+200.96

602.88

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Alana917
Alana917 Alana917
  • 15-04-2021
SA(surface area)

SA = 2xh + 2pi * r ^ 2

SA = 2pi * (8) * (4) + 2pi * r ^ 2

SA = 2pi * (32) + 2pi * (8 ^ 2)

SA = 2pi * (32) + 2pi * (64)

SA = pi(64) + pi(128)

SA = pi(192)

SA = 603.19 ft ^ 2
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