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

Question

Mathematics

Tessa Cannon

13 August, 18:00

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

+4

Answers (1)

Know the Answer?

Carmelo · Answer 1

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

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 - 162. (½) x2 + 4x - 83. x2 + 8x - 164. (½) x2 - 8

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