Hemispherical bowl is made of steel 0.25 CM thick. If the inner radius of the bowl is 3.25 CM then the outer curved surface area of the bowl is
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Step-by-step explanation:
inner radius=3.25 cm
thickness=0.25 cm
outer radius= 3.25+0.25=3.50 cm
CSA OF HEMISPHERE = 2×22/7×3.50×3.50=77 cm
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