write the formula of surface area and volume. class 9th math.
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Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area
Whereas the basic formula for the area of a rectangular shape is length × width, the basic formula for volume is length × width × height.
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Whereas the basic formula for the area of a rectangular shape is length × width, the basic formula for volume is length × width × height.
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