Selina Concise Class 7 Math Chapter 17 Symmetry Exercise 17C Solution
EXERCISE 17C
(1) It has two lines of symmetry does a rhombus have.
(2) The order of rational symmetry can be defined as the number of times that a shape appears exactly the same during a 360o rotation. Order of rotational symmetry of a rhombus is 2.
(3)
(5) (i) It has no line of symmetry and order of rational symmetry is 3.
(ii) It has 2 line of symmetry and order of rotational symmetry is 4.
(iii) It has 3 line of symmetry and order of rotational symmetry is 2.
(iv) It has no line of symmetry and order of rotational symmetry is 0.
(v) It has 1 line of symmetry and order of rotational symmetry is 0.