7.2 Surface Area
Chapter 7: Chapter 7 · Maths · EN medium
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Surface area is the measurement of all exposed area of a solid object. . . Right Circular Cylinder Observe the given figures in Fig. . and identify the shape. These objects resemble the shape of a cylinder. Definition : A right circular cylinder is a solid generated by the revolution of a rectangle about one of its sides as axis. If the axis is perpendicular to the radius then the cylinder is called a right circular cylinder. In the Fig. . , AB = h represent the height and AD = r represent the radius of the cylinder. A solid cylinder is an object bounded by two circular plane surfaces and a curved surface. The area between the two circular bases is called its ‘Lateral Surface Area’ (L.S.A.
📖 Class 10 Mathematics English 2025 Edition www.tntextbooks.in (1) · Page 276
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Surface area is the measurement of all exposed area of a solid object. . . Right Circular Cylinder Observe the given figures in Fig.
. and identify the shape. These objects resemble the shape of a cylinder. Definition : A right circular cylinder is a solid generated by the revolution of a rectangle about one of its sides as axis.
If the axis is perpendicular to the radius then the cylinder is called a right circular cylinder. In the Fig. . , AB = h represent the height and AD = r represent the radius of the cylinder.
A solid cylinder is an object bounded by two circular plane surfaces and a curved surface. The area between the two circular bases is called its ‘Lateral Surface Area’ (L.S.A.) or ‘Curved Surface Area’ (C.S.A.).
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