benedictchrysta
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  • 02-09-2016
  • Mathematics
contestada

If angle CFD = 12a + 45, find a so that FC is perpendicular to fd

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Аноним Аноним
  • 02-09-2016
12a+45=90 
-45=90 
12a=45 
12 12 
Answer: 
a=45\12
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