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प्रश्न
Shape | Number of lines of symmetry |
(i) Isosceles triangle | (a) 6 |
(ii) Square | (b) 5 |
(iii) Kite | (c) 4 |
(iv) Equilateral triangle | (d) 3 |
(v) Rectangle | (e) 2 |
(vi) Regular hexagon | (f) 1 |
(vii) Scalene triangle | (g) 0 |
उत्तर
Shape | Number of lines of symmetry |
(i) Isosceles triangle | (f) 1 |
(ii) Square | (c) 4 |
(iii) Kite | (f) 1 |
(iv) Equilateral triangle | (d) 3 |
(v) Rectangle | (e) 2 |
(vi) Regular hexagon | (a) 6 |
(vii) Scalene triangle | (g) 0 |
Explanation:
(i) An isosceles triangle has 1 line of symmetry.
(ii) A square has 4 lines of symmetry.
(iii) A kite has 1 line of symmetry.
(iv) An equilateral triangle has 3 lines of symmetry.
(v) A rectangle has 2 line of symmetry.
(vi) A regular hexagon has 6 lines of symmetry.
(vii) A scalene triangle has no line of symmetry, i.e. 0
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संबंधित प्रश्न
In the following figures, the line of symmetry has been drawn with a dotted line. Identify the corresponding sides and the corresponding angles about the line of symmetry.
Complete the following figure, about the given lines of symmetry which are shown by dotted lines and name the figure thus obtained:
Construct a Δ PQR in which ∠ R = 90 ° , PQ = 5.2 cm and QR= 2.6 cm. Complete the figure taking PR as the line of symmetry and name the figure.
Draw a line of symmetry of semi-circle.
Construct a rectangle ABCD with AB = 5 cm and AD = 3cm. Construct its lines of symmetry.
Part of geometrical figure is given in each of the diagrams below. Complete the figures, so that the line ‘m’, in each case, is the line of symmetry, of the completed figure. Recognizable free hand sketches, would be awarded full marks.
Using the given horizontal line/vertical line as a line of symmetry, complete each alphabet to discover the hidden word.
Which of the following alphabets has a right angle in it?
Venky has made a red and white shape. Make a line on the white box where you will keep a mirror to get that shape. Look at how the line is drawn in the first box to get the picture next to it.
On a squared paper, sketch the following:
A hexagon with six lines of symmetry.