une base ts / Cm.
2. The diameter of the base of a right circular cylinder is.4.2 dm and its height is
1 dm. Find the area of the curved surface in cm?
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Answer:
1320cm²
Step-by-step explanation:
csa of cylinder =2πrh
π=22/7
d=4.2dm=42cm
r=21cm
h=10cm
2*22/7*21*10 = 2*22*3*10
= 44*30
= 1320cm
CSA of cylinder =1320cm²
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