shahmeen2001 shahmeen2001
  • 01-03-2017
  • Mathematics
contestada

I don't understand the 30-60-90 or the 45-45-90 to solve for the whole shape

I dont understand the 306090 or the 454590 to solve for the whole shape class=

Respuesta :

wolf1728
wolf1728 wolf1728
  • 01-03-2017
I'm guessing that you want to calculate the middle horizontal line.
The upper left triangle on the left is a 45 45 90 triangle.
The hypotenuse is 12 and so the leg is 12 * (1/square root of 2)
leg = 12 * 0.7071067812
leg = 8.4852813742
So that means the line = 16.9705627485


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