The vessel below is 10 cm in height and the bottom is the form which combined a rectangle and semicircles as shown in Fig. 1.
Putting water into this vessel full and with attaching the portions of A and B to a floor, 45 degrees was leaned and water was spilt.
Fig. 2 is a figure showing that it was seen from the side.
Find the amount of the remaining water.
Pi is assumed to be 3.14.
