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.
Definition of hoot. intransitive verb. 1 : to shout or laugh usually derisively. 2 : to make the natural throat noise of an owl or a similar cry. 3 : to make a loud clamorous mechanical sound. transitive verb.