plane angle

American  

noun

Mathematics.

1. an angle between two intersecting lines.

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plane angle British  

noun

1. an angle between two intersecting lines

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Etymology

Origin of plane angle

First recorded in 1820–30

Example Sentences

As it was built in nearby Filton - where Concorde was designed and built - it was very much in keeping with their local plane angle too, he said.

From BBC • May 13, 2024

A plane angle is the inclination to each other of two lines in a plane which meet each other and do not lie in a straight line.

From The Teaching of Geometry by Smith, David Eugene

Conch′oid, a plane curve invented to solve the problem of trisecting a plane angle, doubling the cube, &c.—adjs.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various

It is not necessary to dwell at length upon the dihedral angle, except to show the analogy between it and the plane angle.

From The Teaching of Geometry by Smith, David Eugene