https://mathbitsnotebook.com/Geometry/Quadrilaterals/QDSamples.html

solving numerical and algebraic problems dealing with quadrilaterals. ... Use your previous knowledge regarding geometric figures, such as perimeter being ... You know the opposite sides of a parallelogram are congruent, so set the opposite ...

https://www.analyzemath.com/Geometry/parallelogram_problems.html

Parallelogram problems are presented along with their detailed solutions.

https://www.mathplanet.com/education/geometry/quadrilaterals/properties-of-parallelograms

Properties of parallelograms. One special kind of polygons is called a parallelogram. It is a quadrilateral where both pairs of opposite sides are parallel.

https://www.mathsisfun.com/geometry/parallelogram.html

(Jump to Area of a Parallelogram or Perimeter of a Parallelogram). A Parallelogram is a flat shape with opposite sides parallel and equal in length. Parallelogram | and || show equal ... 8 Question 9 Question 10. Quadrilaterals Geometry Index.

https://www.mathwarehouse.com/geometry/quadrilaterals/parallelograms/

Parallelograms Properites, Shape, Diagonals, Area and Side Lengths plus ... This page : Interactive Parallelogram | Angles | Sides | Diagonals ... Problem 1.

https://www.youtube.com/watch?v=Kj1p8j-aoN0

Feb 17, 2012 ... Art of Problem Solving's Richard Rusczyk explores the angles of a parallelogram. Love math? Learn more: http://bit.ly/ArtofProblemSolving.

https://www.ixl.com/math/geometry/properties-of-parallelograms

Improve your math knowledge with free questions in "Properties of parallelograms" and thousands of other math skills.

https://www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-polygons/v/proof-opposite-sides-of-parallelogram-congruent

Sal proves that a figure is a parallelogram if and only if opposite sides are congruent. ... Triangle angle challenge problem 2 ... Kites as a geometric shape.

https://www.varsitytutors.com/high_school_math-help/quadrilaterals/plane-geometry/geometry/parallelograms

High School Math Help » Geometry » Plane Geometry » Quadrilaterals » Parallelograms ... A parallelogram, with dimensions in cm, is shown below. Act1.

https://www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-polygons/v/proof-opposite-angles-of-parallelogram-congruent

Sal proves that opposite angles of a parallelogram are congruent. ... Triangle angle challenge problem 2 · Practice: Finding angle ... Kites as a geometric shape.