1. Trapeziums have four sides.2. Isosceles triangle opposites are equal.
This is a trapezoid (or trapezum, depending on what country you live in).
Any Trapezum is a Quadrilateral ., because it has four sides; the opposite two sides are parallel, However, it is NOT a rectangle, because all the four angles are NOT necessarily right angles(90 degrees).
the properties that change are physical and chemical properties!!! :)
chemical properties and the pysical properties
reactivity, flammability, toxicological properties, colouring properties, aptitude for explosion, etc.
The properties
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Deuterium, also known as heavy hydrogen, exhibits three separate properties: Physical properties, quantum properties and nuclear properties (the deuteron).
They are difrent because there diffrent properties.
Database Properties
properties that are number
there properties