a1ndjada9leeBoufz a1ndjada9leeBoufz
  • 24-04-2017
  • Mathematics
contestada

The height of a triangle is 4 m less than its base. the area of the triangle is 48m^2 what is thr length of the base

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wolf1728
wolf1728 wolf1728
  • 25-04-2017
base = x
height = x-4
Area = .5 * height * base
48 = .5 * (x-4) * x
96 = x^2 -4x
x^2 -4x -96=0
x = 12
base = 12
height = 8





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