Surface Area of Solids

🎬 Video Tutorial

(0:01) Surface Area of a Cuboid: Calculate each pair of faces (top-bottom, front-back, left-right) and sum their areas to find the total surface area.
(1:00) Surface Area of a Cube Formula: Since all 6 faces of a cube are identical squares, the surface area formula is $6 \times \text{side}^2$.
(2:21) Surface Area of a Triangular Prism: Add the areas of the two triangular faces and three rectangular faces.
Real-World Application: Knowing surface area is essential for practical tasks like painting or covering surfaces.

📂 Revision Cards

Surface area calculation of a cuboid with labelled dimensions: length (l), width (w), and height (h). Illustration highlights 6 faces in 3 pairs. — 1) Surface Area of Solids

Illustration showing surface area formulas for a cuboid and a cube. The cuboid formula is 2lw + 2lh + 2hw, and the cube formula is 6a². — 2) Surface Area of Cuboids and Cubes

Diagram illustrating how to find the surface area of a cuboid with dimensions, by breaking down the calculations for each face and sum up. — 3) Calculating Surface Area of a Cuboid

A trapezoidal prism with labelled dimensions used to calculate its surface area. The faces include front and back triangles, base, top, and side. — 4) Calculting the surface area of a Prism

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