</span> <span>A
line graphed on a Coordinate plane with x axis ranging from negative 4
to 6 and y axis ranging from negative 3 to 7. The line passes through
the points begin ordered pair 1 comma 2 end ordered pair and begin
ordered pair 3 comma negative 2 end ordered pair.</span>
At first we must keep in mind that two triangles are similar when they have same angle configuration, that is, each pair of angles is congruent. If ABC and DEF, then and . Hence, and .