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MATHS 3 Marks Question

Reflection and Rotational Symmetry · Bihar Board (BSEB) STD 7 (BSEB - English Medium). 2 questions.

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3 Marks Question

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2 questions · timed · auto-graded

Question 13 Marks
What is the order of rotational symmetry of a square. Give the angles of such rotations?
Answer
A square has four orders of rotational symmetry and angles through which the rotational symmetry are $90^\circ , 180^\circ , 270^\circ $ and $360^\circ $ as given below:
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Question 23 Marks
Through what different angles should a rectangle be rotated to be in symmetrical position with the original position?
Answer
The rectangle should be rotated through $180^\circ $ and $360^\circ $ to be in symmetrical position with the original position as given below:
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