The North Star was directly in the wind’s eye, and since evening the Bear had swung round it outwardly to the east, till he was now at a right angle with the meridian.
Bathsheba, without looking within a right angle of him, was conscious of a black sheep among the flock.
Charles’s Wain was getting towards a right angle with the Pole star, and Gabriel concluded that it must be about nine o’clock—in other words, that he had slept two hours.
A heated breeze from the south slowly fanned the summits of lofty objects, and in the sky dashes of buoyant cloud were sailing in a course at right angles to that of another stratum, neither of them in the direction of the breeze below.
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