Bunuel wrote:

If the perimeter of ∆ ABC above is 32, what is the area of ∆ ABC in terms of x?

(A) 12x

(B) 10x

(C) 9x

(D) 6x

(E) 5x

Attachment:

2017-09-01_1836_001.png

Find base of ∆ ABC

Perimeter = 9 + 11 + AC

32 = 9 + 11 + AC

12 = AC, the

base of ∆ ABC

Find area in terms of x, where base = 12 and

h = xArea ∆ ABC is \(\frac{(b * h)}{2}\) =

\(\frac{(12 * x)}{2}\) = 6x

Answer D

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In the depths of winter, I finally learned

that within me there lay an invincible summer.

-- Albert Camus, "Return to Tipasa"