The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

When you answer this can you explain

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet