TSA of cylinder of height is 5.5 of 198 cm find radius
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Height of cylinder = 5.5cm
TSA of cylinder= 198cm^2
2πrh = 198
r = 198÷2πh
r = 198÷ {2× 22÷7 × 5.5}
r = [198×10×7]÷[2×22×5.5]
r = 5.7272..
So radius of cylinder is 5.73 cm
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