Name an angle complementary to Complementary angles add up to 90 degrees. COA is supplementary to AOE (they add up to 180) AOB is 90 degrees AOD is 180 degrees COB is complementary to COD. And because COD is congruent to AOE (because vertical angles are congruent), COB is also complementary to AOE. So our answer is COB.
Mad Libs was invented in 1953 by Leonard Stern and Roger Price. Stern and Price co-created the game, but couldn't agree on a name for their invention. No name was chosen until five years later (1958), when Stern and Price were eating eggs Benedict at a restaurant in New York City.
At the time, the kinescope tube was sorely needed for television and Zworykin was one of the first to demonstrate a television system with all the features of modern picture tubes. Philo T. Farnsworth - Electronic. In 1927, American inventor Philo Farnsworth became the first inventor to transmit a television image comprised of 60 horizontal lines. The image transmitted was a dollar sign. Farnsworth also developed the dissector tube, the basis of all current electronic televisions. He filed for his first television patent (patent #1,773,980) in 1927. Louis Parker - Television Receiver. Louis Parker invented the modern changeable television receiver. The patent was issued to Louis Parker in 1948.