Answer:
4 R 3 or 4.5
Step-by-step explanation:
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
Yes....because a terminating decimal can be turned into a fraction, making it rational
The answer is A. <span>Work backward.
Hong started talking with her friends at 10:10.
Hong started eating at 9:30.
Hong started shopping at 8:45.
Hong woke up at 8:25.</span>
<span>b – 2a – c
= 9 - 2(-3) - (-6)
= 9 + 6 + 6
= 21
answer
21</span>