Ayşe and Ferhat enter a store to buy pizza. From a whole pizza divided into 13 circular slices in this store; the 2 slices that Ayşe buys are identical to each other, while the 11 slices that Ferhat buys are also identical to each other.
Later, they combine three of these slices to obtain a semicircular pizza.
Accordingly, what is the measure of the central angle of one of the larger slices in degrees?\\
A) 90\\
B) 81\\
C) 75\\
D) 72\\
E) 60