coltonmcclellan
coltonmcclellan coltonmcclellan
  • 16-02-2018
  • Mathematics
contestada

a triangle had height of 15 in and area of 120in2. What is the length of the base?

Respuesta :

jimthompson5910 jimthompson5910
  • 16-02-2018
Area of triangle = (base*height)/2
120 = (b*15)/2
120*2 = 15b
240 = 15b
15b = 240
b = 240/15
b = 16

The base is 16 inches

As a check
Area = (base*height)/2
Area = (16*15)/2
Area = 240/2
Area = 120
The answer is confirmed
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