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.
Who Invented the USB Flash Drive Part 1. History lessons tend to give us straightforward answers when it comes to who invented what. Thomas Edison gets credit for the light bulb, Alexander Graham Bell, the telephone and the creation of cornflakes is thanks to John Harvey Kellogg. However, when someone poses the question, who invented the USB flash drive, there is no one name that pops up. What we donât realize about most inventionsâthe flash drive includedâis that it is actually credited to decades of building off one innovation after another.