Mathematics for IGCSE & O level - Symmetry (Section 1 - No. 8)
An isosceles triangle has:
No lines of symmetry and no rotational symmetry
One line of symmetry and no rotational symmetry
No lines of symmetry and rotational symmetry of order 2
One line of symmetry and rotational symmetry of order 2
Explanation
An isosceles triangle has one line of symmetry and no rotational symmetry.
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