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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
Construct an isosceles triangle whose equal sides are 7 cm each and the base side is 5 cm. Draw all its lines of symmetry.
Complete the following figure, about the given lines of symmetry which are shown by dotted lines and name the figure thus obtained:
Part of a geometrical figure is given in each of the diagrams below. Complete the figures so. that the line AB in each case is a line of symmetry of the completed figure.
Give also the geometrical name for the completed figure. Recognizable free hand Sketches would be awarded full marks.
Part of a geometrical figure is given in each of the diagrams below. Complete the figures so. that the line AB in each case is a line of symmetry of the completed figure.
Give also the geometrical name for the completed figure. Recognizable free hand Sketches would be awarded full marks.
Draw the lines of symmetry of the following.
Which of the following letters has only one line of symmetry?
The number of lines of symmetry in a 45° – 45° – 90° set-square is ______.
Complete the figure so that line l becomes the line of symmetry of the whole figure.
Trace the figure and draw the lines of symmetry, if any:
Consider the letters of English alphabets, A to Z. List among them the letters which have horizontal lines of symmetry (like B).
