The right triangle has one 90 degree angle and two acute (< 90 degree) angles. Since the sum of the angles of a triangle is always 180 degrees... y + z = 90 degrees. The two sides of the triangle that are by the right angle are called the legs... and the side opposite of the right angle is called the hypotenuse.
They were called the Hollywood 10 and accused of being communist. I don't think you would find many people who can name them all.
When communism was a threat, it was construed as a communist plot. Anti-Fluoriders Are The OG Anti-Vaxxers Michael Schulson July 27, 2016 The communist Party of China gets a bad rap for cracking down on religion.