Question

A line has ___ rotational symmetry

A. Seven-fold
B. Six-fold
C. Two-fold
D. Four-fold

Answer 1

C. Two fold

Explanation:

You get the same line when you rotate the line by 180°

360/180 = 2

Answer 2

C. Two-fold

Explanation:

When you rotate a line 180 degree, it looks the same, that means it has 2 fold symmetry.