question_answer1) A square has ____ lines of symmetry.
A) One done clear
B) Two done clear
C) Three done clear
D) Four done clear
View Solution play_arrowA) \[{{120}^{o}}\] done clear
B) \[{{100}^{o}}\] done clear
C) \[{{150}^{o}}\] done clear
D) \[{{90}^{o}}\] done clear
View Solution play_arrowA) Rectangle done clear
B) Rhombus done clear
C) Square done clear
D) Parallelogram done clear
View Solution play_arrowA) A done clear
B) C done clear
C) U done clear
D) H done clear
View Solution play_arrowquestion_answer5) What is the order of rotational symmetry of the given figure?
A) 6 done clear
B) 4 done clear
C) 8 done clear
D) None of these done clear
View Solution play_arrowquestion_answer6) Which of the following does not have a line of symmetry?
A) done clear
B) done clear
C) done clear
D) done clear
View Solution play_arrowA) \[{{21}^{o}}\] done clear
B) \[{{22}^{o}}\] done clear
C) \[{{23}^{o}}\] done clear
D) \[{{24}^{o}}\] done clear
View Solution play_arrowA) 1 done clear
B) 2 done clear
C) 3 done clear
D) 4 done clear
View Solution play_arrowA) 4 done clear
B) 5 done clear
C) 6 done clear
D) 7 done clear
View Solution play_arrowA) 4 done clear
B) 9 done clear
C) 5 done clear
D) 8 done clear
View Solution play_arrowA)
P | Q | R |
fixed | rotation | angle of rotation |
B)
P | Q | R |
variable | Rotation | central angle |
C)
P | Q | R |
fixed | angle of | Rotation |
D)
P | Q | R |
variable | Rotation | Angle of rotation |
question_answer12) Match the following.
Figure | Order of rotational symmetry |
(P) | (i) 5 |
(Q) | (ii) 2 |
(R) | (iii) 3 |
(S) | (iv) 4 |
A) (P)\[\to \](iv), (Q)\[\to \](i), (R)\[\to \](ii), (S)\[\to \](iii) done clear
B) (P)\[\to \](iv). (Q)\[\to \](iii), (R)\[\to \](ii), (S)\[\to \](i) done clear
C) (P)\[\to \](ii), (Q)\[\to \](iv). (R)\[\to \](iii), (S)\[\to \](i) done clear
D) (P)\[\to \](ii), (Q)\[\to \](i), (R)\[\to \](iv), (S)\[\to \](iii) done clear
View Solution play_arrowquestion_answer13) Select the CORRECT match,
A)
Infinite order of rotational symmetry |
B)
Only two lines of symmetry |
C)
No symmetry |
D)
Only one line of symmetry |
question_answer14) 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 order 2. |
(iv) A circle has finite number of lines of symmetry. |
A)
(i) | (ii) | (iii) | (iv) |
T | F | F | F |
B)
(i) | (ii) | (iii) | (iv) |
T | F | T | F |
C)
(i) | (ii) | (iii) | (iv) |
F | T | F | T |
D)
(i) | (ii) | (iii) | (iv) |
F | T | T | T |
question_answer15) Find P, Q, R and S respectively.
Shape | Centre of rotation | Order of rotation | Angle of rotation |
Equilateral Triangle | P | ||
Rectangle | Q | ||
Square | R | S |
A) Intersection point of medians, 2, intersection point of diagonals, \[{{90}^{o}}\] done clear
B) Intersection point of medians, 2, intersection point of diagonals, \[{{180}^{o}}\] done clear
C) Intersection point of altitudes, 4, intersection point of diagonals, \[{{25}^{o}}\] done clear
D) Intersection point of sides, 4, intersection point of diagonals, \[{{45}^{o}}\] done clear
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