Practice question
तकनीकी रेखाचित्रों (technical drawings) में, संकेत φ7 का अर्थ ______ होता है।
- 1किनारे की लंबाई 7 इकाई
- 2व्यास 7 इकाई✓
- 3त्रिज्या 7 इकाई
- 4दीवार की गहराई 7 इकाई
सही उत्तर देखें
व्यास 7 इकाई
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