Question

prove that 2 lines perpendicular to the two parallel lines are parallel to each other

Answer 1

Answer:

by the recognition of figure enclosed by the lines.

Step-by-step explanation:

Let AB||CD, then given that BC and AD are perpendicular to AB and CD.

=> ABCD is a rectangle.

=> Its opposite sides will be parallel.

=> BC||AD.              

                                            Hence Proved.