If the total surface area of a cylinder of height 12 cm is 2288 cm, find its radius.
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radius = 14/13
Step-by-step explanation:
total surface area of cylinder = 2πr[r +h ]
2288= 2×22/7×r[r+12]
2288 ×7 /22×4 = r[r+12]
196 = r^2+12r
14 = r + 12r
14= 13r
r= 14/13
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