**The given figure shows a rectangle and a semicircle. The perimeter of the shaded region is**

**(a) 70 cm**

**(b) 56 cm**

**(c) 78 cm**

**(d) 46 cm**

**Solution:**

**The area of the shaded region **

**(a) 140 cm**^{2}

**(b) 77 cm**^{2}

**(c) 294 cm**^{2}

**(d) 217 cm**^{2}

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**Solution:**

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