Find the area of the following shape

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

The test scores of 32 students are listed below. construct a boxplot for the data set and include the values of the 5-number summary. 32 37 41 44 46 48 53 55 57 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 81 82 83 86 89 92 95 99

Answer for 10 points show work you guys in advanced < 3