Question 1 of 31

The shaded figure is made up of 6 equilateral triangle. The length of straight line is 21cm. find the perimeter of the shaded figure.

Question Image of The shaded figure is made up of 6 equilateral triangle. The length of straight line is 21cm. find the perimeter of the shaded figure.   .
A
78cm
B
80cm
C
82cm
D
84cm
E
None of the above