C. The ratios in part (b) make sense whether or not ∠B is a right angle but they are only given names (sine and cosine) in this special case. What is special about the case where ∠B is at the right angle? How can this be applied to the Pythagorean Theorem?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

What additional information could be used to prove abc =mqr using sas? check all that apply.