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

15-04-2021

Answer:

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

Answer Link

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

Answer Link

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