How to Calculate the Surface Area of Pyramids and Cones

How to Calculate the Surface Area of Pyramids and Cones

Examples

Practice Questions:

  1. Determine the surface area of a triangular pyramid with a triangular base of area \(15 \text{ cm}^2\), base perimeter of \(18 \text{ cm}\), and a slant height of \(9 \text{ cm}\).
  2. What is the surface area of a cone with a radius of \(4 \text{ cm}\) and a slant height of \(8 \text{ cm}\)?
  1. \( 96 \text{ cm}^2 \)
  2. \( 150.8 \text{ cm}^2 \)

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