3 years ago

Find the length of AB, given that DB is a median of the triangle and AC=50.

1 answer:

8 0

The length of Ab would be 25. AB = 25

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Nat2105 [25]

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matrenka [14]

Answer:

The answer is " $x= -\frac{19}{5} \ and \ y= - \frac{99}{5}$ "

Explanation:

$\to x-y=16..........(a) \\\\ \to 7x+2y=13.........(b)\\$

In equation (a) multiply by 2 then subtract from the equation (b):

$7x+2y=13\\\\2x-2y=32\\\\- \ -\ = -\ \\\\5x = -19 \\\\x= -\frac{19}{5}$

put the value of x in equation (a):

$-\frac{19}{5} -y=16\\\\ -y=16 +\frac{19}{5}\\\\-y= \frac{80+19}{5}\\\\y= -\frac{99}{5}$

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