Speed is probably the easiest of the 3 compound measures to understand (the other 2 compound measures are Density and Force). We all know about speed of […]More…
Category: Shapes
3D Shapes
Below are the most common 3D shapes you will come across and with 3D shapes, you need to be able to work out the volume of these […]More…
Similar Shapes
Similarity in mathematics has a precise meaning, unlike its usage in everyday life. 2 shapes are said to be similar if they fulfill the following 2 conditions:
Shapes – Areas
This is a quick reference for working out the Area of the following shapes: circle, triangle, rectangle, parallelogram, trapezium and rhombus.
Shapes – Polygons
Polygons are 2D closed shapes having straight sides. Although the smallest number of sides a polygon can have is 3; we will look at a polygons having […]More…
Surface Area of Solid Shapes
A reference page showing the formulas of the surface area of some common basic and composite shapes, including: Rectangular Prism Triangular Prism Pyramid Cone Sphere Cylinder Composite […]More…
Similar Shapes – Area & Volume
Calculating the area or volume of similar shapes relies on two very simple formulae you need to know. These are the ‘Area Scale Factor (Area SF)’ and […]More…
Congruent vs Similar Shapes
The question of whether 2 shapes are congruent or similar is often asked of students. In fact the answer to this question is very simple.
Shapes – Circle
This post looks at various elements of a circle including: radius, diameter, circumference, arc, chord, tangent, segment, sector and also how to work out the area of […]More…