Their road to this detached cottage was down Vicarage Lane, a lane leading at right angles from the broad, though irregular, main street of the place; and, as may be inferred, containing the blessed abode of Mr. Elton.
There are no more uses of "right angle" in the book.
Show samples from other sources
The lines intersect at right angles.
He walked slowly toward the truck, his eyes on me the whole way, black beret tilted at exactly the right angle on his head.
Laurie Halse Anderson -- The Impossible Knife of Memory