When used as recommended, CCA-treated wood is harmless to. people, plants, and animals. Its use provides environmental. benefits as well as decades of service. Specify Wolmanized Â® wood and plywood for applications in which conditions conducive to termites and fungal decay are present.
A quadrilateral is a four-sided polygon with four angles. There are many kinds of quadrilaterals. The five most common types are the parallelogram, the rectangle, the square, the trapezoid, and the rhombus. Move your mouse cursor over the figures at the right to learn more.
Many polygons have names based on the number of sides. A 5-sided polygon is called a pentagon for example. There are some that wish to name every possible polygon, but there seems little point in doing so.For example a 42-sided polygon is called a tetracontakaidigon.any polygons have names based on the number of sides. A 5-sided polygon is called a pentagon for example. There are some that wish to name every possible polygon, but there seems little point in doing so.