The sum of the three angles of every triangle always equals 180Â° . A right triangle always has one angle equal to 90Â° and two angles whose sum is 90Â° , making a total of 180Â° . A rectangle is a four sided shape. with four right angles (90Â° ).
boast 1. v. boastÂ·ed, boastÂ·ing, boasts. v. intr. To talk or write about oneself or something related to oneself in a proud or self-admiring way. v. tr.
(plural bollards) (nautical) A strong vertical post of timber or iron, fixed to the ground and/or on the deck of a ship, to which the ship's mooring lines etc are secured; A similar post preventing vehicle access to a pedestrian area, to delineate traffic lanes, or used for security purposes.