ReesaLight15 ReesaLight15

12-01-2016
Mathematics

Answered

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?

x2 - 16
(½)x2 + 4x - 8
x2 + 8x - 16
(½)x2 - 8

Verified Answer :

therfp97 therfp97

12-01-2016

Base = x-4
Height = x+4
Area = BaseHeight/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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