When evaluating an observational study, the four factors that should be reviewed are
1 answer:
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Answer:
The value of x is
Step-by-step explanation:
see the attached figure to better understand the problem
step 1
Find the measure of arc DF
we know that
The inscribed angle measures half that of the arc comprising
so
we have
substitute
step 2
Find the measure of x
we know that
---> is a semi circle
we have
substitute
Hey there!☺
Start by simplifying 28/7:
Now multiply 4 by what we have left, which is 4:
16 is your answer.
Hope this helps!☺