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

The lesser Congo delta is bounded north by the Banana or Malela stream, whose lower fork is "Pirates' Creek;" and south by the mangrove-clad drains, which subtend the main line: the base measures 12-15 miles.

From Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2 by Sir Richard Francis Burton

This is what is meant by the stars not having, like the planets, a parallax; that is, the earths' orbit, as seen from them, does not subtend a measurable angle.

From An Expository Outline of the "Vestiges of the Natural History of Creation" With a Notice of the Author's "Explanations:" A Sequel to the Vestiges by Anonymous

The parallax of the nearest star is only one second, the whole lenticular mass of light which surrounds our sun would therefore only subtend an angle of a single second at the nearest fixed star.

From Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence by Thomas Bassnett

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