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प्रश्न
Find the volume of a rail of uniform cross-section given area of cross-section 12.8 cm2 and length 1.26 cm.
बेरीज
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उत्तर
Given: Area of cross-section A = 12.8 cm2, Length L = 1.26 cm.
Step-wise calculation: Volume V = A × L
1. V = 12.8 cm2 × 1.26 cm
2. As fractions: `(128/10) xx (126/100)`
= `(128 xx 126)/1000`
= `16128/1000`
3. V = 16.128 cm3
The volume of the rail is 16.128 cm3.
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