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.
The Watergate Seven. The Watergate Seven was a group of men involved in the scandal who were advisors and aides to President Nixon. The members were indicted by a grand jury on March 1, 1974. President Richard M. Nixon was named by the jury as a co-conspirator, but was not indicted.