the diameter of a cylinder is 10 centimetre and its height is 21 cm find the curved surface area of the cylinder
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Height = 21 cm.
Diameter = 10 cm.
Radius = d/2 =10/2 = 5cm.
Curved surface area of cylinder = 2 pi r h.
= 2 × 22/7 × 5 × 21.
= 2×22×5×3
= 44×15
= 660 cm ^2. Ans.
Hope it helps u..
Mark as brainlist if helped.
Diameter = 10 cm.
Radius = d/2 =10/2 = 5cm.
Curved surface area of cylinder = 2 pi r h.
= 2 × 22/7 × 5 × 21.
= 2×22×5×3
= 44×15
= 660 cm ^2. Ans.
Hope it helps u..
Mark as brainlist if helped.
Anonymous:
Thanks. A lot
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