Circles of radius 2 are centered at the vertices of a triangle with si

1.	Circles of radius 2 are centered at the vertices of a triangle with sides lengths 8, 11 and 12. Find thelength of a belt that fits tightly around those three circles as shown in the figure(A) 31 + 4π(B) 31 + 6π(C) 31 + π(D) 31 + 2π
Answer» than which one is answer a is answer as 31+4π = 43.5 how 31+4π = 43.5 equivalent to 43

Circles of radius 2 are centered at the vertices of a triangle with sides lengths 8, 11 and 12. Find thelength of a belt that fits tightly around those three circles as shown in the figure(A) 31 + 4π(B) 31 + 6π(C) 31 + π(D) 31 + 2π

Answer»

than which one is answer

a is answer as 31+4π = 43.5

how

31+4π = 43.5 equivalent to 43