vroakiled
vroakiled vroakiled
  • 09-03-2021
  • Mathematics
contestada

need help with explanation will give brain list

need help with explanation will give brain list class=

Respuesta :

rbasat rbasat
  • 09-03-2021

Answer:

Option 4: 12.7

Step-by-step explanation:

You can look at the diagram as two 45º45º90º triangles.

By the properties of a 45º45º90º triangle:

OW=WL=a

OL=a√2

a√2 = 18

a=18/√2a≈12.728

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