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serious [3.7K]
3 years ago
7

The area of the sector of a circle of radius r/2 and central angle 2θ is __________

Mathematics
1 answer:
olasank [31]3 years ago
6 0
S= 20/360 . Pi*(r square )
=0.055 * 3.14 * 4
= 0.7
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