norrisjohn19 norrisjohn19
  • 24-02-2016
  • Mathematics
contestada

A triangle has an area of 30 square feet. If the height is four feet less than its base, find the dimensions of the triangle.

Respuesta :

Аноним Аноним
  • 24-02-2016
the formula is bh/2=area
b*(b-4)/2=16
(b^2-4b)/2=16
b^2-4b=32
b^2-4b-32=0
(b-8)(b+4)=0

b-8=0
b=8 feet for the base.
h=8-4=4 for the height.
proof
8*4/2=16
32/2=16
16=16
Answer Link

Otras preguntas

What would be the meaning of a nonzero y intercept to a graph of total mass versus volume?
In what way did the Justinian code advance the status of women in society?
Which of the following is correct assuming that the crash victim not the officer is the person who is bleeding heavily Bleeding heavily, the officer who arrive
What is the antonyms of the word earthen
what specific beliefs does each writer want his readers to hold
Negative six over seven minus three over five ( symplify)
Is 4.87787778 a rational number
On a cladogram, what is a node and what dose it does it represent?
The students who conducted the shadow length experiment concluded that their results concluded that their results supported their hypothesis. Can their supporte
Traditional place of learning is where in the school?