miam276
miam276 miam276
  • 06-05-2022
  • Mathematics
contestada

I NEED HELP URGENTLY

I NEED HELP URGENTLY class=

Respuesta :

msvivinguyen
msvivinguyen msvivinguyen
  • 06-05-2022

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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