The sides of an equilateral triangle are (2a - b + 5), (a + b) and (2b - a + 2). What is the area of the triangle?

\[\frac{\sqrt{3}}{4}\times 81\]

\[\frac{\sqrt{3}}{4}\times {{a}^{2}}\]

\[\frac{\sqrt{3}}{4}\times {{b}^{2}}\]

\[\frac{\sqrt{3}}{4}\times 49\]

The sides of an equilateral triangle are (2a - b + 5), (a + b) and (2b

1.	The sides of an equilateral triangle are (2a - b + 5), (a + b) and (2b - a + 2). What is the area of the triangle?
A.	\[\frac{\sqrt{3}}{4}\times {{a}^{2}}\]
B.	\[\frac{\sqrt{3}}{4}\times {{b}^{2}}\]
C.	\[\frac{\sqrt{3}}{4}\times 49\]
D.	\[\frac{\sqrt{3}}{4}\times 81\]
Answer» D. \[\frac{\sqrt{3}}{4}\times 81\]

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The sides of an equilateral triangle are (2a - b + 5), (a + b) and (2b - a + 2). What is the area of the triangle?

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