Questions | Answer Key

Practice Exercise  9-2 (click HERE for a printer-friendly version)

Directions: Complete the problems below.  Then, check your results with those in the Answer Key below. For any items you do not get correct, please review the Instruction and recalculate the problems.

Multiple Choice Questions. Select the answer which best completes the statement or answers the question. Write its letter (a, b, c, or d) in the space to the right of the question.

  1. In Figure A, the area is: _____

    1. 18 feet
       
    2. 8 square feet
       
    3. 9 cubic feet
       
    4. 9 square feet

Figure A

 

  1. In Figure B, the perimeter is: _____

    1. 12 feet

    2. 24 square feet

    3. 18 feet

    4. 24 feet

 

Figure B

 

  1. The area in Figure C is: _____

    1. 26 square feet

    2. 40 square feet

    3. 40 feet

    4. 40 cubic feet


Figure C

 

  1. The perimeter in Figure D is: _____

    1. 28.27 square feet
       
    2. 18.85 square feet
       
    3. 18.85 feet
       
    4. 28.27 feet
       
  2. The area in Figure D is: _____
     
    1. 28.27 square feet
       
    2. 18.85 square feet
       
    3. 18.85 feet
       
    4. 28.27 feet


Figure D

Answer Key  (click HERE for a printer-friendly version) (top)

  1. In Figure A, the area is:

    1. 9 square feet

Figure A

 

  1. In Figure B, the perimeter is:

    1. 24 feet

Figure B

 

  1. The area in Figure C is:

    1. 40 square feet


Figure C

 

  1. The perimeter in Figure D is:

    1. 18.85 feet

 

  1. The area in Figure D is:
     
    1. 28.27 square feet


Figure D

For more instruction on finding the area of squares and rectangles including examples and Practice Exercises click on the link below: www.mathgoodies.com/lessons/vol1/area_rectangle.html 

For additional instruction on finding the area of parallelograms including  examples and Practice Exercises click on the link below:
www.mathgoodies.com/lessons/vol1/area_parallelogram.html

Click on the following link below for some Practice Exercises for both Perimeter and Area of polygons:
www.mathgoodies.com/lessons/vol1/challenge_vol1.html 

Note: Step by step solutions to most of these Practice Exercises are provided at the end of the instruction section by clicking on the math link there.

 

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