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How Do You Find the Lateral and Surface Areas of a

The surface area of a solid, right conical frustum is the sum of the areas of its two circular ends and that of its lateral face: circular end SA = π (R 2 + r 2) lateral SA = π (R+r)√ (R-r)2 + h2. total

lateral surface area

The lateral surface area (LSA) of the cube = sum of areas of all 4 side faces ⇒ LSA of cube = x 2 + x 2 + x 2 + x 2 = 4x 2 Thus, the formula to find the lateral surface area of a cube is, LSA = 4x2 We can understand this formula better