ninelh14
ninelh14 ninelh14
  • 30-01-2021
  • Mathematics
contestada

4.
12 ft
aft
9 ft

Help

4 12 ft aft 9 ft Help class=

Respuesta :

bsinkelton bsinkelton
  • 31-01-2021

Answer:

20

Step-by-step explanation:

add 12+9=21 then round it which is 20

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