sihamabdalla591
25.07.2019 •
Mathematics
Based on this data, what is a reasonable estimate of the probability that the next customer to enter jeremy's pet store has exactly 3 pets?
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Ответ:
Ответ:
we know that
angle < DEF is an inscribed angle.
An inscribed angle is an angle with its vertex on the circle which is formed by two intersecting chords.
The inscribed angle measures half of the arc it comprises
the arc it comprises is the arc DCF
the arc DCF is equal to (360°-248°) > 112°.
Hence ∡DEF is equal to arc DCF/2> 112°/2> 56°
the answer is
∡DEF=56°