Figure Order of rotational symmetry P (i) 5 Q (ii) 2 R (iii) 3 S (iv) 4

( P ) → ( i v ) , ( Q ) → ( i i i ) , ( R ) → ( i i ) , ( S ) → ( i )

( P ) → ( i v ) , ( Q ) → ( i ) , ( R ) → ( i t ) , ( S ) → ( i i i )

( P ) → ( i i ) , ( Q ) → ( i v ) , ( R ) → ( i i i ) , ( S ) → ( i )

( P ) → ( i i ) , ( Q ) → ( i ) , ( R ) → ( i v ) , ( S ) → ( i i i )

Intersection point of medians, 2 Intersection point of 90 ° $90^{\circ}$

Intersection point of medians, 2 Intersection Point of diagonals. 180 °

Intersection point of altitudes, 4 Intersection point of diagonals, 25 ° .

Intersection point of sides, 4 Intersection point of diagonals, 45 °

E M B I B E

IMO Olympiad Work Book 7>Chapter 14 - Symmetry>Exercise

Mahabir Singh Solutions for Chapter: Symmetry, Exercise 2: Exercise

Author:Mahabir Singh

Mahabir Singh Mathematics Solutions for Exercise - Mahabir Singh Solutions for Chapter: Symmetry, Exercise 2: Exercise

Attempt the practice questions on Chapter 14: Symmetry, Exercise 2: Exercise with hints and solutions to strengthen your understanding. IMO Olympiad Work Book 7 solutions are prepared by Experienced Embibe Experts.

Questions from Mahabir Singh Solutions for Chapter: Symmetry, Exercise 2: Exercise with Hints & Solutions

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	(i) $5$
Q	(ii) $2$
R	(iii) $3$
S	(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 $2 n$ 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