Proving that a quadrilateral is a parallelogram video. Determine the sum of both the interior and exterior angle measures of a polygon. Quadrilaterals only have one side more than triangles, but this opens up an entire new world with a huge variety of quadrilateral types. Powered by create your own unique website with customizable templates. Go to for an interactive tool to investigate this exploration.

Prove triangles congruent using special parallelogram properties pages 1823 hw. Big idea two pairshare proofs await to challenge students in this lesson on proving that quadrilaterals are parallelograms. A rectangle is a parallelogram with one right angle. Prove triangles congruent using trapezoids pages 26 30 hw. Proving quadrilaterals worksheets lesson worksheets. Swbat prove that quadrilaterals are parallelograms using the definition of parallelogram and six key parallelogram property theorems. The four standard congruence tests and their application in problems and proofs. Displaying all worksheets related to proving parallelograms. Prove quadrilaterals are parallelograms pages 11 15 hw. Dec 05, 2015 on this page you can read or download geometry online practice quadrilaterals parallelograms g 7 in pdf format.

Browse proving quadrilaterals are parallelograms resources on teachers pay teachers, a marketplace trusted by millions of teachers for original educational resources. Students are then asked to determine whether given quadrilaterals are parallelograms based on these concepts, as well as solve problems related to these concepts using algebra. Ppt proving quadrilaterals are parallelograms powerpoint. We work with the converse of the theorems we learned in the last video to prove, or make sure, that quadrilaterals are parallelogram. Geometry notes proving quadrilateral are parallelograms by g. Learn proving parallelograms with free interactive flashcards. A quadrilateral is a parallelogram but first, lets go over five ways you can use to prove that a quadrilateral is a parallelogram. Improve your math knowledge with free questions in proving a quadrilateral is a parallelogram and thousands of other math skills.

Parallelograms and rectangles 4 a guide for teachers assumed knowledge introductory plane geometry involving points and lines, parallel lines and transversals, angle sums of triangles and quadrilaterals, and general angle. Proving quadrilaterals are parallelograms worksheets. Free pdf download of ncert solutions for class 8 maths chapter 4 practical geometry solved by expert teachers as per ncert cbse book guidelines. Proving parallelograms 5 algebra for what values of x and y must each figure be a parallelogram.

Worksheets are name geometry proving that a quadrilateral is a, 6 properties of parallelograms, 16 12x 80 18 19 3x 17 20, quadrilateral proofs packet 2, geometry work quadrilaterals, geometry honors coordinate geometry proofs, geometry coordinate geometry proofs, proving parallelograms day 1 2016. Prove triangles congruent using parallelogram properties pages 3 8 hw. Most of the work we did was computationbased because we were already given the fact that the figures were parallelograms. Geometry online practice quadrilaterals parallelograms g 7. Proving quadrilaterals are parallelograms wyzant resources. Proving quadrilaterals worksheets teacher worksheets. Proving quadrilaterals are parallelograms 1 example k j 6cm l 8cm 60 20 g h find jh kh m lt kjh m lt jkh m lt kgj 2 example find m lt w w z 3x 18 4x 9 x y 3 proving quadrilaterals are parallelograms. Choose from 255 different sets of proving parallelograms flashcards on quizlet. This proving a rectangle is a parallelogram assessment is suitable for 9th 12th grade.