Step 1
Find the area of one equilateral triangle
Applying the law of sines

in this problem
a=b=7 cm
C=60 degrees
so

cm²
Step 2
To calculate the area of the hexagon multiply the area of one equilateral triangle by 
cm²
therefore
the answer is the option
73.5 sqrt 3cm²
Answer:
The amount of right-handed players is 53
Hope this Helps :)
eight pick 4 will be 1680
six choose zero is 1
nC0 will always be 1 no matter what it is