I need help. Area inside a circle but outside the two opposite quarter circles

Hi! Please find the area of the shaded region given in the figure.
12791037_1682773475327815_9199035459940223503_n.jpg

In reply to by Sagar Kumar

Solve for angle alpha and angle theta by Cosine Law. With angle alpha known you can find angle beta.
 

plane_004-difference-circular-sectors.gif

 

The shaded area is equal to a circular sector of radius 7 cm with central angle beta minus circular segment with of radius 14 cm with central angle 2-theta minus isosceles triangle of equal sides 7 cm with included angle beta.