Which of the following is NOT a Pythagorean triangle? A.5,12,13

B.15,20,25,

C.8,15,17

D.5,5,

d

Step-by-step explanation:

you have to be able to add two legs of the triangle and it equal more than your 3rd leg

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

step-by-step explanation: 2