1. Chapter 6 Review

2. I IV III II B A A (6, 4) B (−5, 4) C (2, −4) D (−5, −4) D C −5 y 10 5x
−10 −5 5 10 D C −5
−10

3. I IV III II B A AB CD AB BD D Cy I IV
III II 10 B A 5 AB CD x AB BD
−10 −5 5 10 D C −5
−10

4. B A
∠ B BA
∠ ABD BD D C
∠ DBA

5. y I IV
III II 10 B A 5 AC x
−10 −5 5 10 D C −5
−10

6. C D E J L M K F G H P R S Q
ΔCDE ≅ ΔFGH
JKLM ≅ PQRS

7. C P Z A B Q M F
ΔCPZ ~ ΔQMF
⨀A ~ ⨀B

8. Z
65°
90°
25° Y X
180° − ( ) =
25° + 90°
180° − 115° =
65°

9. 20°
180° − ( ) =
20° + 20°
180° − 40° =
140°

10. trapezoid
a quadrilateral with at least one pair of opposite sides that are parallel

11. a quadrilateral with two pairs of opposite sides that are parallel
parallelogram
a quadrilateral with two pairs of opposite sides that are parallel

12. a quadrilateral with four congruent sides
rhombus
a quadrilateral with four congruent sides

13. a quadrilateral with four right angles
rectangle
a quadrilateral with four right angles

14. a quadrilateral with four right angles and four congruent sides
square
a quadrilateral with four right angles and four congruent sides

15. 65°
115°
85° A B C D
360° −
( )
115° + 65° + 85° =
360° − 265° =
95°

16. 80°
103°
95° W X Y Z
360° − (103° + 80° + 95°) =
360° − 278° =
82°

17. E F C D B
chord: EF

18. Translation
Reflection
Rotation

20. Complete #1−44 (even) on Student Text pp. 142−43.