What is name of polygon with only rotational symmetry but no line symmetry.

Which of the following figures has the number of lines of symmetry equal to the order of rotational symmetry?

even figure b has two line and two rotational symmetry

morever c has 4 line symmetry and five rotational symmetry

please clear my doutb

a) 45

^{0}b) 60

^{0}(need this answer ASAP!!)

i) Rhombus

ii) Rectangle

iii) regular octagon

iv) circle

v) regular hexagon

vi) regular pentagon

(need this answer ASAP!!)

What is name of polygon with only rotational symmetry but no line symmetry.

Which of the following figures has the number of lines of symmetry equal to the order of rotational symmetry?

even figure b has two line and two rotational symmetry

morever c has 4 line symmetry and five rotational symmetry

please clear my doutb

(a) 360°

(b) 22°

and it's photo also.