Mathematics · Hydraulic Structures
एक सर्वाधिक किफायती समलम्बाकार (trapezoidal) चैनल की चौड़ाई b, गहराई d तथा पार्श्व ढलान 1 ऊर्ध्वाधर से 2 क्षैतिज है। गहराई d के पदों में तली की चौड़ाई b का मान ज्ञात कीजिए।
- 1b = √5d − 4d
- 2b = 2√5d − 2d
- 3b = √5d − 2d
- 4b = 2√5d − 4d✓
सही उत्तर देखें
b = 2√5d − 4d
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