A pitcher of fruit punch holds 2 gallons. If 9 people share the entire pitcher equally, how much pitcher does each person get?
2 answers:
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Given:
Area of a sector = 64 m²
The central angle is .
To find:
The radius or the value of r.
Solution:
Area of a sector is:
Where, r is the radius of the circle and is the central angle of the sector in radian.
Putting , we get
Taking square root on both sides, we get
Therefore, the value of r is m.