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Zarrin [17]
2 years ago
6

I NEED HELP URGENTLY

Mathematics
1 answer:
tigry1 [53]2 years ago
5 0

Answer:

30 square millimeters

Step-by-step explanation:

3 x 3 = 9

3 x 1 = 3

there are two sides with the area 9 therefore...

9 x 2 = 18

There are four sides with the area 3 therefore...

3 x 4 = 12

Therefore the suface area is

12 + 18 = 30

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