Corlos bought a book for $9 . now he would like to buy 4 other books for the same price .how much will he have to pay in all for
1 answer:
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Answer:
.
Step-by-step explanation:
Given information:
Radius of circle = 8 cm
Area of sector =
Formula for area of sector is
where, r is radius and is central angle in radian.
Substitute and r=8 in the above formula.
Therefore, the measure of the sector in radians is .