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leva [86]
3 years ago
15

PLZ HELP. Find the surface area of the composite solid.

Mathematics
1 answer:
Aleks [24]3 years ago
8 0

Answer:

i got 306 as the answer

Step-by-step explanation:

find the surface area of the cuboid alone;

12 by 4 by 2 because there is a similar face in the opposite side. = 96

5 by 4 by 2 = 40

12 by 5 by 2 = 120

then you find the surface area for the pyramid on top ;

1/2 by 5 by 5 by the 4 faces = 50

the base was gotten by subtracting 7 from 12

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