NCERT Solutions for Class 7 Mathematics Chapter 14
Important NCERT Questions
Class vii Math Chapter 14 Symmetry Exercise 14.3
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 7
Can we have a rotational symmetry of order more than 1 whose angle of rotation is: (i) 45° (ii) 17°?
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(i) If the angle of rotation is 45° , then symmetry of order is possible and
would be 8 rotations.
(ii) If the angle of rotational is 17° , then symmetry of order is not possible
because 360° is not complete divided by 17° .
Class 7 Maths Chapter 14 Exercise 14.3
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