The height of a cylinder is 28 cm and curved surface area is 2816 cm². Find its diameter.
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Hey there,
Down here,⏬
☆ Given :
Height : 28 cm
CSA= 352 sq.cm
☆ CSA of Cylinder = 2 pie rh
2 pie rh = 352 sq.cm
2×22/7×r×28 = 352 sq.cm
2×22×r×4 = 352 sq.cm
176 × r = 352 sq.cm
r = 352/176 = 2 cm
☆ Diameter = 2r = 2×2 = 4 cm
Down here,⏬
☆ Given :
Height : 28 cm
CSA= 352 sq.cm
☆ CSA of Cylinder = 2 pie rh
2 pie rh = 352 sq.cm
2×22/7×r×28 = 352 sq.cm
2×22×r×4 = 352 sq.cm
176 × r = 352 sq.cm
r = 352/176 = 2 cm
☆ Diameter = 2r = 2×2 = 4 cm
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