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The base of a triangle is represented by x - 4, and the height is represented by x + 4. Which of the following represents the area of the triangle?

1. x2 - 16
2. (½)x2 + 4x - 8
3. x2 + 8x - 16
4. (½)x2 - 8

Respuesta :

therfp97
Base = x-4
Height = x+4
Area = Base*Height/2
Area = ((x-4)*(x+4))/2
Area = (x^2+4x-4x-16)/2
Area = (x^2-16)/2
Answer is 4, assuming that's a x^2 and not a 2x or something

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