Pentru figura geometica din desenul alaturat in care dreptele DE SI FG sunt intersectate de secante AH scrie perechile de unghiuri: a)alterne interne b) ALTERNE EXTERNTE

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

could you provide figure.