1. Section 18.3: Corresponding Parts of Congruent Figures are Congruent (CPCFC)

2. Objective(s):
By following instructions, students will be able to:
Discover that the corresponding parts of congruent figures are congruent.

3. Congruent Parts of Congruent Figures are Congruent
If two figures are congruent, then corresponding sides are congruent and corresponding angles are congruent.

4. explain 1A △ABC ⩭ △DEF. FInd the given side length or angle measure.

5. explain 1B △ABC ⩭ △DEF. FInd the given side length or angle measure.
m∠ B

6. Your-Turn #1 △STU ⩭ △VWX. FInd the given side length or angle measure.
m∠ S SU

8. explain 2A △ABC ⩭ △DEF. FInd the given side length or angle measure.

9. explain 2B △ABC ⩭ △DEF. FInd the given side length or angle measure.
m∠ D

10. Your-Turn #2
Quadrilateral GHJK ⩭ △ quadrilateral LMNP. FInd the given side length or angle measure.
m∠ H LM

11. explain 3A
Write each proof.

12. explain 3B
Write each proof.

13. Revisit Objective(s):
Did we...
Discover that the corresponding parts of congruent figures are congruent?

14. HW:
Sec 18.2 pg 736 #s 2-16, 25