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Angelina_Jolie [31]
3 years ago
6

The base of a triangle is represented by (2x − 6) and the height by (x − 2). Which polynomial expression BEST represents the are

a of the triangle? A) x2 + 5x + 6 B) x2 − 5x + 6 C) x2 − 5x − 6 D) 2x2 + 10x + 12
Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
7 0

x² - 5x + 6 → B

the area of a triangle (A) = \frac{1}{2} × base × height

A = \frac{1}{2} (2x - 6)(x - 2) → ( expand using FOIL)

A = \frac{1}{2} (2x² - 10x + 12) = x² - 5x + 6


Phoenix [80]3 years ago
4 0
(2x-6)(x-2)(1/2)
2x^2 -10+ 12 (1/2)

x^2 -5x + 6
B is your answer
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