Multi-part area problem for test

Topic:Area

A good problem for testing polygon area with trig. Modifiable by showing some of the missing points - will always be a regular octagon, trapezoid, parallelogram, rectangle, and triangle.

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Cartesian vs Polar
bewijs stelling van Pythagoras
အခြေခံ data အခေါ်အဝေါ်များ
Some random function
Trefoil Knot

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Brett Duffy Parallelograms
Properties of a Rhombus
Secret of the a-value

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Translation
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