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Home > CCG > Chapter 8 > Lesson 8.2.2 > Problem 8-87

8-87.

Callie started to prove that given the information in the diagram at right, then . Copy her flowchart below on your paper and help her by justifying each statement.  

This flowchart has 6 bubbles. Bubble # 1 has an arrow, pointing down to bubble # 3. Bubble numbers 2, 3, and 4 have arrows, pointing down to bubble # 5. Bubble # 5 has an arrow, pointing down to bubble # 6.

Bubble # 1

Bubble # 2

Bubble # 3

Bubble # 4

Bubble # 5

Bubble # 6

Given in diagram.
Bubble #1

Given in diagram.

Added: Bubble #2

If lines are parallel, then alt int angles are .

Added: Bubble #3

Shared side (or Reflexive Property)

Added: Bubble #4

 

Added: Bubble #5

Congruent triangles have congruent parts.

Added: Bubble #6


2 triangles share a horizontal side, the angles opposite the horizontal side, each have 1 tick mark, the left side of the top triangle, & right side of bottom triangle, each have 2 arrows.