Which dotted line is a line of symmetry?
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Geometry, NAP-E4-CA28 SA
Gabby put 5 points on a grid and labelled them `A` to `E`, as shown on the diagram below.
Point `A` is 35 millimetres from point `D.`
Gabby adds a sixth point, `F` so that the arrangement of points has one line of symmetry.
How far is point `F` from point `B?`
| millimetres |
Show Worked Solution
`A\ text(to)\ D\ text(is 35 mm)`
`=> 1\ text(grid is 7 mm × 7 mm)`
`text(Point)\ F\ text(is added below,)`
`:.\ text(Distance)\ B\ text(to)\ F`
`= 6 xx 7`
`= 42\ text(mm)`
Geometry, NAP-F4-NC06
Which two lines below are lines of symmetry?
| `A and C` | `A and D` | `B and C` | `B and D` |
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Geometry, NAP-H4-NC04
Some tiles are missing from this pattern of tiles.
When complete the pattern has two lines of symmetry.
Which of these could be the missing part of the pattern?
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Geometry, NAP-G4-CA10
Rory is shading squares in a grid.
Rory needs to shade some extra squares so that the dotted line is a line of symmetry.
What is the smallest number of squares he has to shade?
| `2` | `3` | `4` | `5` |
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`text{4 squares need to be shaded (see below).}`
