vertical angle

noun

, Geometry.

1. one of two opposite and equal angles formed by the intersection of two lines.

Word History and Origins

Origin of vertical angle¹

First recorded in 1565–75

Example Sentences

The sides of the tank are riveted to a vertical angle iron, the cross section of which is clearly shown in the plan.

From Project Gutenberg

Two of these are equal, while the third, or vertical angle, is longer or shorter.

From Project Gutenberg

Bivalve apparatus; panels of 147 in azimuth and 122 vertical angle; mercury rotation.

From Project Gutenberg

Where the fire involves a wide lateral and small vertical angle, loopholes may take the form of a long slit.

From Project Gutenberg

If I had a transit, I could calculate the depth at any point where the water shows––triangulate with a vertical angle.

From Project Gutenberg