Question 12 Marks
In each of the following figures, write the number of lines of symmetry and order of rotational symmetry.
[Hint: Consider these as $2-D$ figures not as $3-D$ objects.]
[Hint: Consider these as $2-D$ figures not as $3-D$ objects.]
Answer
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Figure
|
Number of line of symmetry
|
Order of rational Symmetry
|
|
$a$
|
$1$
|
$1$
|
|
$b$
|
$1$
|
$1$
|
|
$c$
|
$1$
|
$1$
|
|
$d$
|
$2$
|
$2$
|
|
$e$
|
$1$
|
$2$
|
|
$f$
|
$0$
|
$1$
|
|
$g$
|
$1$
|
$1$
|
|
$h$
|
$0$
|
$3$
|
|
$i$
|
$4$
|
$4$
|
|
$j$
|
$1$
|
$1$
|
|
$k$
|
$0$
|
$1$
|
|
$l$
|
$1$
|
$1$
|
|
$m$
|
$0$
|
$2$
|
|
$n$
|
$0$
|
$1$
|
|
$o$
|
$1$
|
$1$
|
|
$p$
|
$0$
|
$1$
|
|
$q$
|
$1$
|
$1$
|
|
$r$
|
$0$
|
$1$
|
|
$s$
|
$3$
|
$3$
|
|
$t$
|
$1$
|
$1$
|
|
$u$
|
$10$
|
$10$
|
|
$v$
|
$3$
|
$3$
|
|
$w$
|
$0$
|
$1$
|
