Mathematics · Geometry
एक वृत्ताकार पथ की बाहरी और आंतरिक परिधि का अनुपात 7 : 6 है। यदि पथ 45 मीटर चौड़ा है, तो आंतरिक वृत्त की त्रिज्या (मीटर में) क्या है?
- 1120
- 2150
- 3240
- 4270✓
सही उत्तर देखें
270
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