CK-12 Geometry-Concepts

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Depending on where you choose to put pointD, the name of the paralle ...

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 Square Theorem:A quadrilateral is a square if and only if it has four ...

6.5. Parallelogram Classification http://www.ck12.org Theorem:A parallelogram is a rectangle if and only if the diagonals are co ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Example A What type of parallelogram are the ones below? a) b) Answer ...

6.5. Parallelogram Classification http://www.ck12.org TABLE6.7: Properties of Parallelograms Properties of Rhombuses Properties ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Concept Problem Revisited In order for the patio to be a rectangle, f ...

6.5. Parallelogram Classification http://www.ck12.org Guided Practice Is a rectangle SOMETIMES, ALWAYS, or NEVER a parallelogra ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals a.MA b.MI c.DA d.m^6 DIA e.m^6 MOA Draw a square and label itCU BE. ...

6.5. Parallelogram Classification http://www.ck12.org 10. 11. 12. For problems 13-15, find the value of each variable in the fig ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals A rectangle is a rhombus. A square is a parallelogram. A parallelogr ...

6.6. Trapezoids http://www.ck12.org 6.6 Trapezoids Here you’ll learn the properties of trapezoids and how to apply them. What if ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Recall that in an isosceles triangle, the two base angles are congrue ...

6.6. Trapezoids http://www.ck12.org T RAPis an isosceles trapezoid. So,m^6 R= 115 ◦. To findm^6 A, set up an equation. 115 ◦+ 11 ...

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 In an isosceles trapezoid, base angles are congruent. (^6) B∼= (^6) Cand (^6) A∼= (^6) D m^6 ...

http://www.ck12.org Chapter 6. Polygons and Quadrilaterals Explore More Can the parallel sides of a trapezoid be congruent? Why ...

6.6. Trapezoids http://www.ck12.org 9.A(− 3 , 2 ),B( 1 , 3 ),C( 3 ,− 1 ),D(− 4 ,− 2 ) 10.A(− 3 , 3 ),B( 2 ,− 2 ),C(− 6 ,− 6 ),D( ...

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 From the definition, a kite is the only quadrilateral that we have discussed that could be concav ...