Question | Answer |
Angles around a point - complete turn | Add up to 360 Degrees |
Angles in a straight line - half turn | Add up to180 Degrees |
Angles in a quarter turn - Right Angle | Add up to 90 Degrees |
Angles in a 3 Quarter turn | Add up to 270 Degrees |
Acute Angle | Less than 90 Degrees |
Obtuse Angle | Between 90 and 180 Degrees |
Reflex Angle | More than 360 Degrees |
Vertex Angle | The point where two lines meet |
Corresponding Angles (Parallel Lines) | Equal to each other |
Opposite Angles (When two straight lines cross) | Equal to each other |
Angles in a triangle | Add up to 180 Degrees |
Equilateral Triangle | All 3 sides are of equal length and all angles are the same |
isosceles Triangle | 2 sides are of equal length and the angles at either side of the base of the equal sides are the same |
Scalene Triangle | All 3 sides are different lengths and all angles are unequal |
Right Angled Triangle | Only 1 right angle |
Angles in a Quadrilateral | Add up to 360 Degrees |
The 6 Quadrilateral Shapes | Square, Rectangle, Rhombus, parallelogram, trapezium, and kite |
3 D Shapes | Have width, height and depth, they have faces edges and vertices (plural of vertex), where 2 faces meet is called an edge, the point where 3 edges meet is called a vertex |
Cube | 6 faces, 12 edges and 8 vertices |
Cuboid | 6 faces, 12 edges and 8 vertices |
Sphere | 1 face, 0 edges and 0 vertices |
Cylinder | 3 faces, 2 edges and 0 vertices |
Cone | 2 faces, 1 edge and 1 vertices |
Triangular Prism | 5 faces, 9 edges, 6 vertices |
Square based pyramid | 5 faces, 8 edges and 5 vertices |
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