tklove7419p7ts1o tklove7419p7ts1o
  • 12-05-2018
  • Mathematics
contestada

solve the area of a triangle for b and use the resulting formula to find the base of a triangle with a height of 6 ft. and an area of 9 ft. ^2.

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gmany
gmany gmany
  • 17-05-2018
The formula of the area of a triangle:

[tex]A_\Delta=\dfrac{bh}{2}[/tex]

b - a base
h - a height

We have:
h = 6ft.and A=9 ft.²

substitute:

[tex]\dfrac{6b}{2}=9\\\\3b=9\ \ \ |:3\\\\b=3\ ft.[/tex]

Answer: b = 3ft.
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