yeisheskd yeisheskd
  • 03-06-2021
  • Mathematics
contestada


can someone pls pls help me ?

can someone pls pls help me class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 03-06-2021

9514 1404 393

Answer:

  a = 9 meters

Step-by-step explanation:

The perimeter is the sum of the side lengths:

  28 m = a + 2m + a + 8m

  18 m = 2a . . . . . . . . . . . . . . . . subtract 10m, collect terms

  9 m = a . . . . . . . . . . . . . . . divide by 2

The value of a is 9 meters.

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