Answer the following (3 mark each)

Question 13 Marks

(a) Does this shape have reflection symmetry? If yes, draw its line(s) of symmetry.

(b) Does it have rotational symmetry? If yes, at which turn?
(c) Does it have both symmetries?

Answer

(a) Yes the shape has reflection symmetry. Its lines of symmetry are drawn as shown in the picture below.

(b) The shape has rotational symmetry of $\frac{1}{2}$ turn also.
(c) Yes, the shape have both symmetries.

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Question 23 Marks

Observe the letters below. Do they look the same when turned? Dots have been marked on the letters to keep track of the orientation of letters. You may also cut out the letters and fix the centre point of the letter by a nail or use tracing paper to check if the letter looks the same when turned.

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Question 33 Marks

(a) Does this design look the same after $\frac{1}{2}$ turn?

(b) Does this design looks the same after $\frac{1}{4}$ turn?

(c) Colour the square given in the adjoining figure using two colours so that the design looks the same after every $\frac{1}{4}$ turn.
How many times does this shape look the. same during a full turn?
Do these designs have reflection symmetry also? Draw the line(s) of symmetry.

Answer

(a) Yes, the design looks the same after $\frac{1}{2}$ turn.
(b) No, the design does not look the same after $\frac{1}{4}$ turn.
(c)

The image looks the same after every $\frac{1}{4}$ turn.
During a full turn it looks same four times. The shaded design does not have reflection symmetry.

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Question 43 Marks

Observe the following shapes. Draw how they will look on $\frac{1}{3}$ and $\frac{1}{6}$ turn.

	$\frac{1}{3}$ turn	$\frac{1}{6}$ turn

Answer

self

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MATHS Answer the following (3 mark each)

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