MEDIUM
7th Foundation
IMPORTANT
Earn 100

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

R, B, F, H, O, P, S, W, X, Z

50% studentsanswered this correctly

Important Questions on Symmetry

MEDIUM
7th Foundation
IMPORTANT
IMO Olympiad Work Book 7>Chapter 14 - Symmetry>Exercise>Q 11

Rotation turns an object about P  point.

The fixed point is the center of Q.

The angle by which the object rotates is the R.

MEDIUM
7th Foundation
IMPORTANT
IMO Olympiad Work Book 7>Chapter 14 - Symmetry>Exercise>Q 12
Figure Order of rotational symmetry
P Question Image     (i) 5
Q Question Image   (ii) 2
R Question Image    (iii) 3
S Question Image    (iv) 4

 

MEDIUM
7th Foundation
IMPORTANT
IMO Olympiad Work Book 7>Chapter 14 - Symmetry>Exercise>Q 13
Select the correct match
MEDIUM
7th Foundation
IMPORTANT
IMO Olympiad Work Book 7>Chapter 14 - Symmetry>Exercise>Q 14
State 'T' for true and 'F' for false.
(i) Number 0 has both rotational and line of symmetry
(ii) A regular polygon of n sides has 2n lines of symmetry
(iii) A square has four lines of symmetry and rotational symmetry of erder 2
(iv) A circle has finite number of lines of symmetry.
MEDIUM
7th Foundation
IMPORTANT
IMO Olympiad Work Book 7>Chapter 14 - Symmetry>Exercise>Q 15

Question Image     

Find P, Q, R, S