CK-12 Geometry-Concepts

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals As you can see, there are two sets of exterior angles for any vertex ...

6.2. Exterior Angles in Convex Polygons http://www.ck12.org TABLE6.3:(continued) Statement Reason 2.x◦nand y◦nare a linear pair ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals MEDIA Click image to the left for use the URL below. URL: http://www. ...

6.2. Exterior Angles in Convex Polygons http://www.ck12.org 5. The exterior angles of a quadrilateral arex◦, 2 x◦, 3 x◦,and 4x◦ ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals 6.3 Parallelograms Here you’ll learn what a parallelogram is and how ...

6.3. Parallelograms http://www.ck12.org Investigation: Properties of Parallelograms Tools Needed: Paper, pencil, ruler, protract ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Given:ABCDis a parallelogram with diagonalBD Prove:AB∼=DC,AD∼=BC TABL ...

6.3. Parallelograms http://www.ck12.org Example C Show that the diagonals ofF GHJbisect each other. The easiest way to show this ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Vocabulary Aparallelogramis a quadrilateral with two pairs of paralle ...

6.3. Parallelograms http://www.ck12.org Explore More Ifm^6 S= 143 ◦in parallelogramPQRS, find the other three angles. IfAB⊥BCin ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals 11. Use the parallelogramWAV Eto find: 12.m^6 AW E 13.m^6 ESV 14.m^6 ...

6.3. Parallelograms http://www.ck12.org 24.Opposite Angles Theorem Given:ABCDis a parallelogram with diagonalBD Prove:^6 A∼=^6 C ...

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 MEDIA Click image to the left for use the URL below. URL: http:/ ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals are congruent. To use the Parallelogram Diagonals Converse, you would ...

6.4. Quadrilaterals that are Parallelograms http://www.ck12.org First, find the length ofABandCD. AB= √ (− 1 − 3 )^2 +( 5 − 3 )^ ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Vocabulary Aparallelogramis a quadrilateral with two pairs of paralle ...

6.4. Quadrilaterals that are Parallelograms http://www.ck12.org Although it has one pair of parallel sides, this quadrilateral ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals 7. 8. 9. 10. 11. For questions 12-14, determine the value ofxandythat ...

6.4. Quadrilaterals that are Parallelograms http://www.ck12.org 14. For questions 15-17, determine ifABCDis a parallelogram. 15. ...