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Home > CC2 > Chapter 4 > Lesson 4.3.3 > Problem 4-112

4-112.

Find the perimeter and area of each figure made of algebra tiles below. Homework Help ✎

  1. pic

    The perimeter is the distance around a shape, so add the lengths of all the sides.

    To find the area, add the areas of the different parts of the figure, which are labeled in the problem.

    Perimeter: units
    Area: units2

  2. pic

    Follow the steps from part (a). It may help to label the sides of the figure.

    The perimeter of the figure is  units.

  3. pic

    Remember that the area of the figure is the sum of the labels of each tile, since the tiles are named for their area.