Saved Bookmarks
| 1. |
If l, m, n are three lines such that l || m and n ⊥ l, prove that n ⊥ m. |
|
Answer» Given l || m, n perpendicular l To prove: n ⊥ m Since l || m and n intersects them at G and H respectively ∠1 = ∠2 [Corresponding angles] But, U = 90o [n ⊥ l] ∠2 = 90o Hence n perpendicular m |
|