Sector area = (1/2) x radius x arc length

1. A.
   $\frac{16}{3}\pi\ \text{cm}$
2. B.
   $\frac{13}{3}\pi\ \text{cm}$
3. C.
   $\frac{10}{3}\pi\ \text{cm}$
4. D.
   $\frac{8}{3}\pi\ \text{cm}$

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1. A.
   $1.5 r^2$
2. B.
   $2.5 r^2$
3. C.
   $\frac{1}{2} r^2$
4. D.
   $3 r^2$

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1. A.
   4 cm
2. B.
   8 cm
3. C.
   6 cm
4. D.
   5 cm

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1. A.
   $45\ \text{cm}^2$
2. B.
   $47\ \text{cm}^2$
3. C.
   $48\ \text{cm}^2$
4. D.
   $84\ \text{cm}^2$

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1. A.
   86.625
2. B.
   86.875
3. C.
   86.525
4. D.
   86.125

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1. A.
   $1584 \text{ cm}^2$
2. B.
   $1488 \text{ cm}^2$
3. C.
   $1884 \text{ cm}^2$
4. D.
   $1848 \text{ cm}^2$

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1. A.
   $42\ \text{cm}^2$
2. B.
   $84\ \text{cm}^2$
3. C.
   $21\ \text{cm}^2$
4. D.
   $28\ \text{cm}^2$

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1. A.
   $48$
2. B.
   $84$
3. C.
   $72$
4. D.
   $168$

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