Given: m is perpendicular to L and n to L,prove: m is parallel to n
write a two column proof of theorem 3.12 given m is perpendicular to L and N to L. Prove: M is parallel to N
write a two column proof of theorem 3.12 given m is perpendicular to L and N to L. Prove: M is parallel to N

Ruth N.
Edward H.
CARL M.