a metal pipe is 98 cm long the inner diameter of cross section is 6 cm and outer diameter is 6.6 cm finf inner curved surface area
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Answer:1848 cm^2
Step-by-step explanation:
Inner radius=6/2=3 cm
Outer radius=6.6/2=3.3 cm
Height =98 cm
Inner Curved surface area=2Πrh
=2×22/7×3×98
=1848 cm^2
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