Math, asked by PrincessPayal, 1 year ago

explain this step which is Mark in pic

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Answered by Anonymous
1
Volume of Embankment
= πH(R² - r²)
= (40π/100){(2+x)² - 2²}
= (2π/5){(4 + x² + 4x - 4}
= (2π/5){x² + 4x} m³


PrincessPayal: OK thanks
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