find the volume of a rectangular plpe 1m long if it's outer area of cross section is 4cm into 3cm.but it's internal area of cross section is 3.5cm into 2.5cm
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hi mate !!
Area of cross section of outer portion of pipe = 4 cm×3 cm = 12 cm^2
And area of internal cross section of pipe = 3.5 cm×2.5 cm = 8.75 cm^2
Height of rectangular pipe = 1 m = 100 cm
So, volume of outer portion of rectangular pipe = 12×100 = 1200 cm^3
And volume of internal portion of pipe = 8.75×100 = 875 cm^3
So, volume of a rectangular pipe = 1200 cm^3−875 cm^3 = 325 cm^3
Therefore volume of rectangular pipe is 325cm^3.
hope it helps.!!☺☺☺
Area of cross section of outer portion of pipe = 4 cm×3 cm = 12 cm^2
And area of internal cross section of pipe = 3.5 cm×2.5 cm = 8.75 cm^2
Height of rectangular pipe = 1 m = 100 cm
So, volume of outer portion of rectangular pipe = 12×100 = 1200 cm^3
And volume of internal portion of pipe = 8.75×100 = 875 cm^3
So, volume of a rectangular pipe = 1200 cm^3−875 cm^3 = 325 cm^3
Therefore volume of rectangular pipe is 325cm^3.
hope it helps.!!☺☺☺
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