**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 360^{o} 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.