SOLUTION: There is an equalatril triangle. On one side it says 10ab - 2a, on another side it just says a. I need a simplified formula for this quantity.

Question 109587: There is an equalatril triangle. On one side it says 10ab - 2a, on another side it just says a. I need a simplified formula for this quantity.
Answer by MathLover1(20855) (Show Source): You can put this solution on YOUR website!

In an equilateral triangle, all sides are of equal length.
one side is , and another side is
=> ....on left side common factor is , factor it out
=> .........cancel
=> .........
=> .........
=> .........
=> .........divide both sides by
=>
check:

......cancel both

......
......

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