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9 Maths Ch 4
Measurement
| Term | Definition |
|---|---|
| Arc | is a part of the circumference of a circle |
| Area | The number of square units needed to cover a given surface |
| Capacity | the amount of space that can be filled |
| Circumference | C=2πr or C=dπ for the measured distance around the edge of a circle. |
| Cross-section | a surface or shape exposed by making a straight cut through a 3 dimensional object |
| Net | Net is a two-dimensional pattern of a three-dimensional figure that can be folded to form the figure. In other words, net is a flattened three-dimensional figure which can be turned into the solid by folding it. |
| Perimeter | the continuous line forming the boundary of a closed geometrical figure. |
| Polyhedron | a solid figure with many plane faces, typically more than six. |
| Prism | a solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms. |
| Sector | A region bordered by part of a circle and two radii. |
| Subtended | angles are created by two lines joining. The 2 points where lines start are the points that subtend the angle. |
| Surface Area | The sum of all the areas of all the faces or surfaces that enclose a solid. |
| Volume | is the quantity of three-dimensional space enclosed by some closed boundary, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains. |
Created by:
camwust
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