Y=3x+1
-2x+y=6
I recommend using this other app as well it’s as good as Brainly
Answer:
<u> </u><u>For</u><u> </u><u>y</u><u> </u><u>:</u>
From pythogras theorem:

For the second largest inner triangle;

Equate (a) and (b):

solve the equation to get values of x, which will give you y
You should use multiples of the denominator of the [slope] coefficient.??
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Check the picture below.
notice, the period is the length of the part in the graph that is being repeated.