Using the side lengths of triangle pqr and triangle stu which angle has a sine ratio of 4/5

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Find the area of the unshaded square