There is a circle with radius 6 cm as shown in the figure and there are 12 points are on the circumference arranged with the same interval.
The height of the equilateral triangle whose length of one side is 6 cm is assumed to be 5.2 cm and Pi is assumed to be 3.14.
(1) Find the length of AB.
(2) Find the area of the shadow portion.
The height of the equilateral triangle whose length of one side is 6 cm is assumed to be 5.2 cm and Pi is assumed to be 3.14.
(1) Find the length of AB.
(2) Find the area of the shadow portion.
