Parallelogram

Instructions.

Find the lengths of the sides Measure the angles Create the diagonals Plot the intersection of the diagonals Measure the distances of the diagonals to this point Measure the angles created by the diagonals.

New Resources

Publish app "Public" test
Damped Trochoidal Curve
Rolling Circles and Polygons
bewijs stelling van Pythagoras
functionartculture

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Activity 2.1 - Lesson Graph
Transformation (-y, x)
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Gradient of a Straight Line
Coxeter 1.7 -- The Euler Line -- stripped bare

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Difference and Slope
Circle
Upper and Lower Sum or Riemann Sum
Linear Regression
Fractions