Find the area of a trefoil within a circle

Question

Find the area. ( pls. Pls. Can you pls. allow me to delete the image.)

Answer 1

Hint: draw a hexagon with vertices in the centers of smaller circles. What is the length of its sides? What is the distance from the center of hexagon to its vertices? Can you find $R$ now?

Answer 2

The area of a hexafoil is equal to the area of the hexagon plus the area of two third of six circles.