129,543 rounded to the nearest ten thousand
1 answer:
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For questions 4 and 5, use laws of complementary and supplementary angles to find values of x. I'm not too sure about what question 10 is asking.
Hope I helped :)
Hope I helped :)
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