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b. 1

c. 2

d. 3

3. Order of rotational symmetry of a circle is________.

a. 0

b. 1

c. infinite

d. 10

4. A quarter – turn s means rotation by __________.

a. 90 degree

b. 180 degree

c. 45 degree

d. 360 degree

5. Order of rotational symmetry of a semi-circle is two.

a. True

b. False

6. Each of the letters H,N,S and Z has a rotational symmetry of order.

a. 0

b. 1

c. 2

d. 3

7. Rhombus is a figure that has a rotational symmetry of order _____.

a. 4

b. 2

c. 3