An arc subtends an angle of 50o at the center o... - JAMB Mathematics 2010 Question
An arc subtends an angle of 50o at the center of circle of radius 6cm. Calculate the area of the sector formed
A
100/7
B
80/7
C
110/7
D
90/7
correct option: c
| Area of a sector = | θ | x πr2 |
| 360 |
= 50/360 x 22/7 x 36/1
= 110/7
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