CK-12 Geometry Concepts

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals 3.m^6 D= 72 ◦as well, because opposite angles are congruent.^6 Aand^6 ...

6.3. Parallelograms http://www.ck12.org is a parallelogram with diagonal 30.BD 31.Prove : 33.^6 A∼=^6 C 34.Parallelogram Diagon ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals 6.4 Quadrilaterals that are Parallelograms Here you’ll learn how to p ...

6.4. Quadrilaterals that are Parallelograms http://www.ck12.org Opposite Angles Theorem Converse:If the opposite angles of a qua ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Example B Is quadrilateralEF GHa parallelogram? How do you know? For ...

6.4. Quadrilaterals that are Parallelograms http://www.ck12.org Guided Practice What value ofxwould makeABCDa parallelogram? Is ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals 16.A(− 5 , 8 ),B(− 2 , 9 ),C( 3 , 4 ),D( 0 , 3 ) 17.A(− 2 , 6 ),B( 4 ...

6.5. Parallelogram Classification http://www.ck12.org 6.5 Parallelogram Classification Here you’ll learn what properties differe ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Recall thatdiagonals in a parallelogram bisect each other. Therefore, ...

6.5. Parallelogram Classification http://www.ck12.org Example B Is a rhombus SOMETIMES, ALWAYS, or NEVER a square? Explain your ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals MEDIA Click image to the left for more content. CK-12 Foundation: Cha ...

6.5. Parallelogram Classification http://www.ck12.org b.MI c.DA d.m^6 DIA e.m^6 MOA Draw a square and label itCU BE. Mark the p ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals 6.6 Trapezoids Here you’ll learn the properties of trapezoids and how ...

6.6. Trapezoids http://www.ck12.org Investigation: Midsegment Property Tools Needed: graph paper, pencil, ruler Draw a trapezoi ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Example C Findx. All figures are trapezoids with the midsegment. Answ ...

6.6. Trapezoids http://www.ck12.org Guided Practice T RAPan isosceles trapezoid. Find: 1.m^6 T PA 2.m^6 PT R 3.m^6 PZA 4.m^6 ZRA ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals 6.7 Kites Here you’ll learn the properties of kites and how to apply ...

6.7. Kites http://www.ck12.org TABLE6.9:(continued) Statement Reason 2.EI∼=EI Reflexive PoC 4 EKI∼= 4 ET I SSS 4.^6 K∼=^6 T CPC ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Watch this video for help with the Examples above. MEDIA Click image ...

6.7. Kites http://www.ck12.org 1. 2. 3. 4. 5. 6. For questions 7-11, find the value of the missing variable(s). 7. 8. 9. 10. 11. ...