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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LavenderGacha
LavenderGacha LavenderGacha
  • 15-04-2021

Answer:

I don't know how to do this but maybe photo math can help

Answer Link
lucy1107
lucy1107 lucy1107
  • 15-04-2021

Answer: 147.35

Step-by-step explanation:

SA=1 base tri. + 3 lateral faces

SA=bh/2 + 3(bh/2)

SA=(7)(6.1)/2 + 3(7)(12)/2

SA=42.7/2 + 252/2

SA=21.35 + 126

SA=147.35

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