Exercises I / 2.1
    Square illustration: Exercise 1
  1. Find the __________ for the polygon shown in the illustration.
    1. Perimeter  
    2. Area

  2. Rectange illustration: Exercise 2 Find the __________ for the polygon shown in the illustration.
    1. Perimeter  
    2. Area

  3. Triangle illustration: Exercise 3 Find the __________ for the polygon shown in the illustration.
    1. Perimeter  
    2. Area

  4. Trapezoid illustration: Exercise 4 Find the __________ for the polygon shown in the illustration.
    1. Perimeter  
    2. Area

  5. Circle illustration: Exercise 5 Find the __________ for circle shown in the illustration.
    1. Circumference  
    2. Area

  6. A circle has a diameter of  10  √ π in.Find the circle's:  
    1. Circumference Washer illustration: Exercise 7
    2. Area

  7. Find the Area of the washer (i.e., the shaded portion
    of the figure) shown in the illustration.

  8. Composite Figure illustration: Exercise 8 For the composite figure shown
    in the illustration, find the:
    1. distance around the (outside of the) figure.
    2. Area.

  9. For a right triangle where Right Triangle illustration: Exercises 9-11 (link: Pythagorean Theorem/info) a = 12 cm and b = 16 cm, find the:
    1. length of side c.
    2. Perimeter of the triangle.
    3. Area of the triangle.

  10. For a right triangle where a = 90 mm and c = 150 mm, find the:
    1. length of side b.
    2. Perimeter of the triangle.
    3. Area of the triangle.

  11. For a right triangle where b = 1 in and c = 2 in, find the:
    1. length of side a.
    2. Perimeter of the triangle.
    3. Area of the triangle.

  12. For an equilateral triangle with sides of 2" each in length, find the:
    1. height (a.k.a. the altitude) of the triangle.
    2. Area of the triangle.
    3. Area of the triangle, using a second method (different than part b).

  13. Find the Area of an isosceles triangle whose three sides measure 5 inches, 5 inches, and 6 inches in length.

  14. Trapezoid illustration: Problems #14 and #15 For the trapezoid shown in the illustration, find its Area.

  15. For the trapezoid shown in the illustration, find its Perimeter.
    Hint:  the trapezoid can be considered a composite figure consisting of a rectangle connected atop a right triangle (whose hypotenuse needs to be determined)...