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Home > GC > Chapter 9 > Lesson 9.1.2 > Problem 9-20


There are 11 cubes. From the front, there is 1 cube on the left side first row, 2 cubes, second row, and 3 cubes, third row. Center, first row, has 1 cube and third row, 2 cubes. Right side, first and second rows, each has 1 cube.At right is the solid from problem 9-7.

  1. On graph paper, draw the front, right, and top views.

  2. Find the total surface area of the solid. 

    Total surface area =

Use the eTool below to complete the problem.
Click the link at right for the full version of the eTool: GC 9-20 HW eTool (Desmos)