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8-38.

Find the area and perimeter of each shape below. Show your steps and work. Note: Diagrams are not drawn to scale.  Homework Help ✎

  1. pic

    Perimeter: Add the lengths of each of the sides around the outside of the figure.

    units

    The shape consists of two trapezoids of equal size. Find the area of one trapezoid and double it to find the area of the entire shape.

    The area of a trapezoid can be found with the following formula:

    square units

  1. pic

    You can use the equation for the area of a trapezoid to find the total area.

    The trapezoid is highlighted.
    Notice that there is a rectangular section missing from the trapezoid.
    You will need to find that area as well.

    diagram

    sq. units.