Find the sum of line of symmetry and point of symmetry in a semicircle.

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Solution

Semicircle has one line of symmetry along OB and zero point of symmetry.

So, sum of line symmetry and point symmetry = (1 + 0 )= 1

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Similar questions

On a squared paper, sketch the following:

(a) A triangle with a horizontal line of symmetry but no vertical line of symmetry.

(b) A quadrilateral with both horizontal and vertical lines of symmetry.

(d) A hexagon with exactly two lines of symmetry.

(e) A hexagon with six lines of symmetry.

(Hint: It will be helpful if you first draw the lines of symmetry and then complete the figures.)

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