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Lesson 9
Geometric Formulas
Practice Exercise 9-2 Answer Key

Directions: Correct the Instruction Exercises using the answers below.

  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