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CBSE NCERT Solutions for Class 7 Maths Chapter 14:
Give three examples of shapes with no line of symmetry.
The three examples are: (i) Quadrilateral
(ii) Scalene triangle
What other name can give to the line of symmetry of:
(a) An isosceles triangle?
(b) A circle
(a) The line of symmetry of an isosceles triangle is median or altitude.
(b) The line of symmetry of a circle is diameter.
Name any two figures that have both line symmetry and rotational symmetry.
Circle and square have both line symmetry and rotational symmetry.
If a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?
Yes , because every line through the centre forms a line of symmetry and it has rotational symmetry around the centre for every angle.