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Unlocking Geometry Concepts: Lateral Area, Nets, and Formulas

Explore the world of geometry with this guide on lateral area, nets, and key formulas for calculating surface area and volume. Learn about solid figures, prisms, pyramids, and more! Perfect for students and enthusiasts alike.

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Unlocking Geometry Concepts: Lateral Area, Nets, and Formulas

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  1. I Spy Geometry Serenity Erwin

  2. Lateral area • Lateral area is finding the area of all the faces except the base.

  3. Base • The standing of a 3-D figure.

  4. Face • The flat surface of a 3-D figure. • The places that have a face on the cube is a face.

  5. Formulas • bxh1/2 • bxh • lxw1/2 • lxw • bxhxw

  6. Nets • A 3-D figure that is unfolded and can be refolded to create the same shape again. This net below is an example of a cube net.

  7. Solid figure • A 3-D figure. • 3-D = length times height times width.

  8. Area • Area is base times height. • Area for a triangle is base times height divide by 2.

  9. Surface area • The total area of the faces (including the bases) and curved surfaces of a solid figure.

  10. Volume • The formula for volume is base times height times width.

  11. Polygon • A polygon is any closed figure as long as its closed it’s a polygon. For example this figure on the left is not a polygon but the one on the right is.

  12. Prism • A prism has 5 faces. It has 3 rectangles and 2 triangles. This shape to the right is an example of triangular prism.

  13. Pyramid • A polyhedron whose base is a polygon and whose other faces are triangles that share a common vertex.

  14. Vertex • A point at which two line segments, lines, or rays meet to form an angle.

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