A square has —

alines of symmetry only
brotational symmetry only
cboth line and rotational symmetry
dneither

ব্যাখ্যা

A square has $4$ lines of symmetry and also maps onto itself $4$ times in a full turn, so it possesses both line symmetry and rotational symmetry of order $4$ .

এই অধ্যায়ের আরও প্রশ্ন

C-14-Q132The most symmetrical plane figure is —
C-14-Q133A circle has number of lines of symmetry equal to —
C-14-Q134A circle has rotational symmetry of order —
C-14-Q135An equilateral triangle has line symmetry of and rotational order —
C-14-Q136A scalene triangle has lines of symmetry —
C-14-Q137A regular hexagon (each side cm) has lines of symmetry equal to —
C-14-Q138For a regular hexagon, statement true: angle of rotation is . Among the choices "(i) order is , (ii) angle of
C-14-Q139A rectangle has rotational symmetry of order —
C-14-Q140A rhombus has rotational symmetry of order —
C-14-Q141A semicircle has rotational symmetry of order —