Area of the minor or major segment cut off by a chord subtending a central angle

1. A.
   $\frac{1}{2} r^2 \theta$
2. B.
   $\frac{1}{2} r^2 \left( \theta - 2 \sin\frac{\theta}{2} \cos\frac{\theta}{2} \right)$
3. C.
   $\frac{1}{2} r^2 \left( \theta - \sin\frac{\theta}{2} \cos\frac{\theta}{2} \right)$
4. D.
   $\frac{1}{2} r^2 \sin\frac{\theta}{2} \cos\frac{\theta}{2}$

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1. A.
   2.71 cm$^2$
2. B.
   2.42 cm$^2$
3. C.
   1.91 cm$^2$
4. D.
   1.71 cm$^2$

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1. A.
   10.05 cm$^2$
2. B.
   10.15 cm$^2$
3. C.
   11.05 cm$^2$
4. D.
   11.15 cm$^2$

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1. A.
   $\frac{l^2}{2}\left(\pi - \frac{1}{2}\right)$
2. B.
   $\frac{l^2}{4}\left(\pi - \frac{1}{2}\right)$
3. C.
   $\frac{l^2}{4}\left(\frac{\pi}{2} - 1\right)$
4. D.
   $\frac{l^2}{2}\left(\frac{\pi}{2} - \frac{1}{2}\right)$

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1. A.
   $\frac{l^2}{4}\left(\frac{3\pi}{2} + 1\right)$
2. B.
   $\frac{l^2}{4}\left(\frac{3\pi}{2} - 1\right)$
3. C.
   $\frac{l^2}{2}\left(\frac{3\pi}{2} + 1\right)$
4. D.
   $\frac{l^2}{2}\left(\frac{3\pi}{2} - 1\right)$

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1. A.
   1.4
2. B.
   1.7
3. C.
   2.2
4. D.
   2.6

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1. A.
   8
2. B.
   9
3. C.
   10
4. D.
   11

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