Symmetry Test -...

A pentagon has _____ lines of symmetry.

After rotating a certain figure at 180°, it looks exactly the same as original position. At what other angle should it be rotated so that it exactly looks the same?

Which of the following polygons has both line and rotational symmetries of order 6?

Which of the following letters has 2 lines of symmetry and rotational symmetry of order 2?

Which two figures among the following have reflectional symmetry about both horizontal and vertical mirrors?

Which of the following figures has exactly 3 lines of symmetry?

If a square has holes at two opposite corners, what will be its order of rotational symmetry?

In a figure, the angle of rotational symmetry is 71°. What will be the order of rotational symmetry for the figure?

How many lines of symmetry does a circle have?

How many of the following letters have rotational symmetry of order more than 1?

B, G, N P, Q, R, S, Z

How many squares must be shaded in the following figure so that the line PQ becomes the line of symmetry?

Fill in the blanks with the help of the table:

1) If the angle of rotation is 45°, then the order of rotational symmetry is A .
2) A/An B triangle has both line and rotational symmetries of order more than 1.
3) The line of symmetry of a circle is C .

State true (T) or false (F) for the following statements and mark the correct option using the table given below.

P) The line of symmetry of an isosceles triangles is its base.
Q) A parallelogram has two lines of symmetry.
R) The letter 'S' has no line of symmetry.

Match the following:

COLUMN I	COLUMN II
1)	(A) Has 4 as the order of rotational symmetry
2)	(B) Has only one line of symmetry
3)	(C) Has the number of lines of symmetry equal to the order of rotational symmetry
4)	(D) Has no line of symmetry

Choose the option that respectively represents P, Q, R and S in the following table: