Euclidean geometry equal (SAS), or two angles and a side equal (ASA) (Book I, propositions 4, 8, and 26). Triangles with three equal angles (AAA) are similar, but not necessarily congruent. Also, triangles with two equal sides and an adjacent angle are not necessarily equal or congruent. The sum of the angles of a triangle is equal to a straight angle (180 degrees). This causes an equilateral triangle to have three interior angles of 60 degrees. Also, it causes every triangle to have at least two acute angles and up to one obtuse or right angle. The celebrated Pythagorean theorem (book I,
The Three Degrees (album) "Dirty Ol' Man", a #1 hit single in the Netherlands, "Year Of Decision" and the UK #1, "When Will I See You Again". The album charted at #11 on the UK album chart. The album was re-issued on CD in 2010, for the first time in the UK, by Big Break Records. This re-issue includes three bonus tracks including a 1977 remix of "Dirty Ol' Man" by Tom Moulton. with: The Three Degrees (album) The Three Degrees is a 1973 studio album released by girl group The Three Degrees. Since their formation in 1963 until 1969, The Three Degrees had