Question

7. यदि किसी वृत्त की त्रिज्या k गुनी कर दी जाए, तो पुराने एवं नए वृत्तों के
क्षेत्रफलों का अनुपात क्या होगा?
IBM
(i)1:k (ii) 1:k (iii) 1:k (iv) k:1 (30)
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Answer 1

Answer:

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