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प्रश्न
A 30° – 60° – 90° set-square has ______ line/lines of symmetry.
उत्तर
A 30° – 60° – 90° set-square has no line/lines of symmetry.
Explanation:
Since, a 30° – 60° – 90° set square has a shape of scalene triangle and a scalene triangle have no line of symmetry because all its sides and angles are of different measures.
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