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Final: The Tent

Part of the Surface Area & Volume section of Coddy's Geometry journey. Lesson 61 of 62.

A camping tent is a triangular prism. Its front and back are triangles with base 6 m, height 4 m and sloping sides of 5 m. Fabric covers both ends, both sloping sides and the floor, 136 m² in all. How long is the tent?

The figure labels the triangle and the surface area, with the length as x.

challenge icon

Challenge

The tent's fabric covers 136 m². Write the equation from the figure and solve it for the tent's length x.

Then press Check.

Try it yourself

Use the figure to find x

Use the figure to find x

quiz iconTest yourself

This 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 Solids

4Pyramids

Volume of a PyramidThe Slant HeightHeight From the SlantHeight From the VolumeRecap: Pyramids

7Surface Area of Prisms

Nets and Surface AreaVolume or Surface Area?A Missing Edge AgainTriangular PrismsThe Hidden Side FirstRecap: Prism Surfaces

10Spheres Outside

Surface of a SphereSurface of a HemisphereRadius From the SurfaceSurface to VolumeRecap: Spheres Outside

2Volume of Prisms

Volume of a CuboidVolume of a PrismAny Triangle EndA Missing EdgeRecap: Prism Volume

5Cones

Volume of a ConeA Third of a CylinderThe Slant of a ConeFrom Slant to VolumeRecap: Cones

8Surface Area of Cylinders

Unrolling a CylinderHeight From the SurfaceRadius From the SurfaceEnough for the Volume?Recap: Cylinder Surfaces

11Mixed Solids

Solids From SolidsA Spinning TopWhich Lengths?Letters in the LengthsRecap: Mixed Solids

3Cylinders

Volume of a CylinderHeight From the VolumeRadius From the VolumeEnough to Find It?Recap: Cylinders

6Spheres and Hemispheres

Volume of a SphereHalf a SphereRadius From the VolumeSphere in a CylinderRecap: Spheres

9Pyramids and Cones Outside

Surface of a PyramidSlant Height FirstSurface of a ConeThe Cone: Slant FirstRecap: Pyramid Surfaces

12Final Challenges

Final: The Clay ConeFinal: The Water TankFinal: The Model PyramidFinal: The TentFinal: The Paint Can