In the figure below, ABCD is a square with sides 14. We draw the arc of a circle centered at C from D to B, and another arc of a circle centered at A from B to D as seen in the picture below. What is the area of the space between those two arcs?
Amanina is in the process of making ice cream. She has heated all the ingredients to 50 °C and put them in refrigerator to freeze. If the cooling rate is 11 °C per hour, what will be the temperature in freezer after 15 hours ?