Question

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Answer 1

1. equilateral triangle has rotational symmetry of order 3.
2. Order of rotational symmetry of a square is 4.and times during a full rotation of 360 degrees
3. Order of rotational symmetry of a rhombus is 2
4. H, I, and X are the three letters of the English alphabet which have two lines of symmetry and rotational symmetry of order 2.
5. A semicircle and an isosceles triangle have a line of symmetry but do not have rotational symmetry
6. A scalene triangle has neither a line of symmetry nor a rotational symmetry.
7. all figures i,ii,iii,iv have rotationary symmetry more than 1