Find the mean for the data set. 7, 6, 7, 7, 7, 4, 4, 6, 5, 5, 7
1 answer:
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see the attached figure to better understand the problem
we know that
If a and b are parallel lines
then
m∠1=m∠4 --------> by alternate exterior angles
m∠3+m∠4= --------> by supplementary angles
so
m∠3+m∠1=
therefore
<u>the answer is the option</u>
m∠1 = 110° and m∠3 = 70°
