A) \[\text{10 cm}\]
B) \[\text{15 cm}\]
C) \[\text{20 cm}\]
D) \[\text{25 cm}\]
Correct Answer: D
Solution :
| [d] Perimeter \[=\frac{1}{4}(2\pi r)+2r=\frac{\pi r}{2}+2r\] |
| \[=\frac{22}{7}\times \frac{1}{2}\times 7+2.7=25cm\] |
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