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Find the cost of fencing a semi-circular garden of radius 14 m at Rs. 10 per metre.A. Rs.1080B. Rs.1020C. Rs.700D. Rs.720 |
Answer» Correct Answer - D Perimeter of a sexicircle `=pir+2r` `=(22)/(7)xx14+2xx14=44+28=72m` `therefore"The cost of fencing"=72xx10="Rs.720` |
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