Draw, whenever possible, a
rough sketch of A triangle with both line and rotational symmetries.
Text Solution
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1) order of rectangle= `360^0/90^0=4`
order of triangle=`360^0/120^0=3`
2) a triangle can be drawn with only line symmetry and no rotational symmetry of order more than 1.
3) a parallelogram is a quadrilateral with a rotational symmetry of order more than 1 but not a symmetry.
4) A trapezium is a quadrilateral with line symmetry but not a rotational symmetry of order more than 1.
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