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Home > CCG > Chapter 10 > Lesson 10.1.4 > Problem 10-46


PrismCalculate the total surface area and volume of the prism at right. Assume that the base is a regular pentagon.  Homework Help ✎

Find the central angle of the pentagon.

The area of the triangle will help you find the area of the pentagon.


Area of the triangle
Area of pentagon

Find the area of each of the sides, and sum them to find the surface area.

Multiply the area of the pentagon by the height to find the volume.

Surface area