Right angle of what a right angle is, namely two straight lines intersecting to form two equal and adjacent angles. The straight lines which form right angles are called perpendicular. Euclid uses right angles in definitions 11 and 12 to define acute angles (those smaller than a right angle) and obtuse angles (those greater than a right angle). Two angles are called complementary if their sum is a right angle. Book 1 Postulate 4 states that all right angles are equal, which allows Euclid to use a right angle as a unit to measure other angles with. Euclid's commentator Proclus gave a
Wilt: Larger than Life calls it "a solid biography for any sports collection", "addresses the misconception [that Chamberlain was perennially called a loser]", and "also gives enough, but not too much, attention to Chamberlain's ill-considered, though possibly accurate, boast that he'd slept with some 20,000 women." Wilt: Larger than Life Wilt: Larger Than Life () is a biography of deceased NBA basketball Hall-of-Famer Wilt Chamberlain, written by journalist Robert Cherry. The 416-page book was published in November 2004 by Triumph Books. The foreword is written by Jerry West, Chamberlain's teammate and friend on the Los Angeles Lakers. It is the only biography of Wilt