1. The net for a rectangular prism and some of its dimensions, in units, are shown below. 8 4 5 What is the surface area of the figure represented by the net?​

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286.5 in.²

Step-by-step explanation:

The surface area of the prism = sum of the area of each surface

= (7.5*3) + (11.5*3) + (7.5*3) + (11.5*3) + (11.5*7.5) + (11.5*7.5)

= 22.5 + 34.5 + 22.5 + 34.5 + 86.25 + 86.25

Surface area = 286.5 in.²

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

a

step-by-step explanation:

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