Can someone please help with this? I am so confused
1 answer:
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Given a point in coordinates form 
, one can compute the cartesian form like this:
We have:
We get the cartesian form then:
We have:
We get the cartesian form then:
If their perimeters are equal, we can add up all the side lengths of each triangle, and set the perimeters equal to each other to find the value of x that satisfies the equation:
x - 2 + x + 3x + 1 = 2x - 5 + x + 4 + 6x - 7
Combine like terms:
5x - 1 = 9x - 8
And finally, solve for x:
7 = 4x
x =
Therefore, x is equal to .
<em>Hope this helps! :)</em>