subtend

The line with letters that subtend 5 minutes of an arc from 20 feet represents the smallest letters that a person with normal acuity should be able to read at that distance.

From Textbooks ● Jun. 19, 2013

Let there be therefore two ordinate quinquangles, the first aeiou; The second ysrlm; each of whose sides let them subtend two sides of a decangle; to wit, utym, let it subtend ya, and am.

From The Way To Geometry by William Bedwell

It is well known that the same extension at a near distance shall subtend a greater angle, and at a farther distance a lesser angle.

From A Essay Towards a New Theory of Vision by George Berkeley

We conclude that a double line cannot be fairly resolved unless its components subtend an angle exceeding that subtended by the wave-length of light at a distance equal to the horizontal aperture.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

It is obvious that these astrological hours will be of unequal length, as equal portions of the ecliptic subtend unequal angles at the pole of the equator.

From Notes and Queries, Number 69, February 22, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by George Bell