Chapter 1.1, Problem 5PSA

a.

To determine

To find: The given union or intersection.

Answer to Problem 5PSA

  $\overline{AB}\cap \overline{BC}=B$ .

Explanation of Solution

Given information:

A figure is given as below.

  

Calculation:

A figure is given as below.

  

From above figure,

$\overline{AB}\cap \overline{BC}=B$

b.

To determine

To find: The given union or intersection.

Answer to Problem 5PSA

  $\overline{EC}\cup \overline{EA}=\overline{CA}$ .

Explanation of Solution

Given information:

Same as part $a$ of this exercise.

Calculation:

A figure is given as below.

  

From above figure,

$\overline{EC}\cup \overline{EA}=\overline{CA}$

c.

To determine

To find: The given union or intersection.

Answer to Problem 5PSA

  $\overline{AC}\cap \overline{DB}=E$ .

Explanation of Solution

Given information:

Same as part $a$ of this exercise.

Calculation:

A figure is given as below.

  

From above figure,

  $\overline{AC}\cap \overline{DB}=E$

d.

To determine

To find: The given union or intersection.

Answer to Problem 5PSA

  $\overline{DC}\cap \overline{AB}=\varphi \text{ or null}\text{. }$ .

Explanation of Solution

Given information:

Same as part $a$ of this exercise.

Calculation:

A figure is given as below.

  

From above figure,

  $\overline{DC}\cap \overline{AB}=\varphi \text{ or null}\text{. }$

e.

To determine

To find: The given union or intersection.

Answer to Problem 5PSA

  $\overline{AC}\cap \overline{EC}=\overline{EC}$ .

Explanation of Solution

Given information:

Same as part $a$ of this exercise.

Calculation:

A figure is given as below.

  

From above figure,

  $\overline{AC}\cap \overline{EC}=\overline{EC}$

f.

To determine

To find: The given union or intersection.

Answer to Problem 5PSA

  $\overrightarrow{BA}\cup \overrightarrow{BC}=\angle ABC$ .

Explanation of Solution

Given information:

Same as part $a$ of this exercise.

Calculation:

A figure is given as below.

  

From above figure,

$\overrightarrow{BA}\cup \overrightarrow{BC}=\angle ABC$

g.

To determine

To find: The given union or intersection.

Answer to Problem 5PSA

  $\overline{EC}\cup \overline{CB}\cup \overline{BE}=\Delta ECB$ .

Explanation of Solution

Given information:

Same as part $a$ of this exercise.

Calculation:

A figure is given as below.

  

From above figure,

$\overline{EC}\cup \overline{CB}\cup \overline{BE}=\Delta ECB$