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.
Bragged (); p. pr. & vb. n. Bragging.] [OE. braggen to resound, blow, boast (cf. F. braguer to lead a merry life, flaunt, boast, OF. brague merriment), from Icel. braka to creak, brak noise, fr. the same root as E. break; properly then, to make a noise, boast.