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Question
______ triangle is a figure that has a line of symmetry but lacks rotational symmetry.
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Solution
Isosceles triangle is a figure that has a line of symmetry but lacks rotational symmetry.
Explanation:
An isosceles triangle has one line of symmetry but lacks rotational symmetry.
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Draw, wherever possible, a rough sketch of a triangle with both line and rotational symmetries of order more than 1.
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| Shape | Centre of Rotation | Order of Rotation | Angle of Rotation |
| Square | |||
| Rectangle | |||
| Rhombus | |||
| Equilateral Triangle | |||
| Regular Hexagon | |||
| Circle | |||
| Semi-circle |
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