Casio ED-WKBK-PRECALC Datasheet download pdf (Page 21)

Quite the Quadrilateral Activity

The parallelogram is a special quadrilateral with special properties that is used in a

variety of areas, especially in design. In this activity, we will explore the properties

and then solve some problems using those properties.

Questions

The diagram at the right shows Quad ABCD.

(-2, 4)

(3, 0)

(6, 6)

(-5, -2)

By definition, a parallelogram is a quadrilateral

with both pairs of opposite sides parallel.

1. Find the equation of a line that contains the

following points:

a. points B and C

_____________________________________

b. points A and D

_____________________________________

2. What is the slope for each line?

_________________________________________________________________

3. Find the equation of a line that contains the following points:

a. points A and B

_________________________________________________________________

b. points D and C

_________________________________________________________________

4. What is the slope for each line?

_________________________________________________________________

5. Are the opposite sides parallel?

_________________________________________________________________

Let us see what else we can find out about the sides of a parallelogram.

6. Find the length for the following segments to the nearest tenth.

BC : _

_______________________________________________________

D : _______________________________________________________

Activity 7 • Geometry with the Casio fx-9750GII

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Casio ED-WKBK-PRECALC Datasheet Page 21