# Surface Area of Combined Solids

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Examples, solutions, videos, worksheets, games, and activities to help Geometry students learn how to find the surface area of combined solids or composite solids.

Surface Area of Joined Solids
Surface area is a two-dimensional property of a three-dimensional figure. When solids are joined together, such as a hemisphere on a cone, the surface area of the connecting circle is not included in the overall surface area - it is "hidden." Thus, to solve surface area of joined solids problems, determine which faces or bases are hidden and find the surface area of the remaining parts.

Surface Area of Composite Solids Part 1 of 5
Part 1 in a series of five videos designed to help you calculate the surface area of composite solids.
Rectangular prisms
Surface Area of Composite Solids Part 2 of 5
Cylinder and cone

Surface Area of Composite Solids Part 3 of 5
Rectangular Prism and Pyramid
Surface Area of Composite Solids Part 4 of 5
Sphere and Cone Surface Area of Composite Solids Part 5 of 5
Prisms and parts removed, Sphere, Cone and Cylinder

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