Mathematics Class 7>Chapter 15 - Symmetry>Exercise - 2>Q 4

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A figure with at least one axis of symmetry is called a symmetric figure.

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Important Questions on Symmetry

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IMPORTANT

Mathematics Class 7>Chapter 15 - Symmetry>Exercise - 2>Q 5

Draw a square and construct all its axes of symmetry. Measure the angles between each pair of successive axes of symmetry. What do you notice? Does the same rule apply for other regular polygons?

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Mathematics Class 7>Chapter 15 - Symmetry>Do This>Q 1

If the angle of rotational symmetry of a square is

k °

then find

k

.

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Mathematics Class 7>Chapter 15 - Symmetry>Do This>Q 2

If the angle of rotational symmetry of a parallelogram is

k °

then find the value of

k

.

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Mathematics Class 7>Chapter 15 - Symmetry>Do This>Q 3

What is the angle of rotational symmetry of a circle?

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Mathematics Class 7>Chapter 15 - Symmetry>Try this>Q 1

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How many lines of symmetry are there?

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Mathematics Class 7>Chapter 15 - Symmetry>Try this>Q 1

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What is the angle between every adjacent axes? If the answer is $k °$ then find $k$ .

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Mathematics Class 7>Chapter 15 - Symmetry>Exercise - 3>Q 1

Which of the following figures have rotational symmetry of order more than $1$ ?

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Mathematics Class 7>Chapter 15 - Symmetry>Exercise - 3>Q 2

Give the order of rotational symmetry for the following figure.

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