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area of an Ellipse

Area of an Ellipse

Paul Evans - Jul 13, 2015 1

Area of a Rhombus

Paul Evans - Jul 13, 2015 0

Area of a Triangle

Paul Evans - Jul 13, 2015 0
How to calculate the area of a Trapezium

Area of a Trapezium

Paul Evans - Jun 21, 2015 0
Area of a Parallelogram, how to calculate

Area of a Parallelogram

Paul Evans - Jun 21, 2015 0
the refrigeration cycle explained

Refrigeration cycle, essential knowledge.

Paul Evans - Jun 7, 2015 9
what is density

Density explained!

Paul Evans - May 18, 2015 12
density of metals

Density of Metals

Paul Evans - May 18, 2015 8
Arc length, how to calculate

Arc length, how to calculate

Paul Evans - May 13, 2015 4
circumference of a circle

Circumference of a circle

Paul Evans - May 11, 2015 2
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