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MRC Yr 9 Measurement
Surface Area, Volume, Composite Shapes
Term | Definition |
---|---|
Area | The space inside the boundaries of a 2D shape |
Volume | The capacity. The space within a 3D shape. Often expressed in mL or L |
Perimeter | The continuous line around the outside of a figure |
Circumference | The perimeter of a circle |
Pi | An irrational number that expresses the ratio of a circles circumference to its diamter |
Conversion | The change from one form to another form |
Total Surface Area | The sum of the areas of all the outside faces of a 3D figure |
Composite Shape | A shape that is made of more than one 2D shape. For example a half circle placed on the top of a rectangle |
Square Units | The units for area |
Cubic Units | The units for volume |
Sum | Implies addition |