Final: The Model Pyramid
Part of the Surface Area & Volume section of Coddy's Geometry journey. Lesson 60 of 62.
A student builds a solid model of a square pyramid with base edge 8 cm. Painting every face, base included, takes enough paint for 144 cm². How much space does the model fill?
The figure gives the base edge and the surface area. Neither the slant height nor the height is labelled.
Challenge
The model pyramid has base edge 8 and surface area 144. Find its volume, then press Check.
Try it yourself
Find the marked part of the figure
Test yourselfThis lesson includes a short quiz. Start the lesson to answer it and track your progress.
All lessons in Surface Area & Volume
1Solids and Their Parts
Faces, Edges and VerticesPrisms and CylindersPyramids and ConesHeight or Slant Height?Spheres and HemispheresRecap: Parts of Solids4Pyramids
Volume of a PyramidThe Slant HeightHeight From the SlantHeight From the VolumeRecap: Pyramids2Volume of Prisms
Volume of a CuboidVolume of a PrismAny Triangle EndA Missing EdgeRecap: Prism Volume3Cylinders
Volume of a CylinderHeight From the VolumeRadius From the VolumeEnough to Find It?Recap: Cylinders6Spheres and Hemispheres
Volume of a SphereHalf a SphereRadius From the VolumeSphere in a CylinderRecap: Spheres9Pyramids and Cones Outside
Surface of a PyramidSlant Height FirstSurface of a ConeThe Cone: Slant FirstRecap: Pyramid Surfaces12Final Challenges
Final: The Clay ConeFinal: The Water TankFinal: The Model PyramidFinal: The TentFinal: The Paint Can