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.
A bollard is a sturdy, short, vertical post. Although it originally described a post on a ship or quay used principally for mooring boats, the word is now used, primarily in British English, to describe posts installed to control road traffic and posts designed to prevent ram raiding and car ramming attacks.