Bases of four equilateral triangles form a square. Inside the square four circle of radius 5 units are drawn as in the figure. The perimeter of the four cornered star is
A. 100
B. 120
C. 160
D. 200
Answer:C
Bases of four equilateral triangles form a square. Inside the square four circle of radius 5 units are drawn as in the figure. The perimeter of the four cornered star is
A. 100 B. 120 C. 160 D. 200