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प्रश्न
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.
उत्तर
The geometrical name of the completed figure is square.
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संबंधित प्रश्न
Given below are part of a geometrical figure. Complete the figure so that both axes are lines of symmetry.
Construct an isosceles right-angled triangle, having hypotenuse= 8 cm. Draw its lines of symmetry.
Draw a line of symmetry of semi-circle.
Think of all 2, 3 and 4 digit numbers which look the same on half a turn.
Example
- 2 digit numbers 11, ______, ______
- 3 digit numbers 101, 111, ______, ______, ______, ______, ______, ______
- 4 digit numbers 1001, 1111, ______, ______, ______, ______, ______
In the following figures, the figure that is not symmetric with respect to any line is ______.
A 30° – 60° – 90° set-square has ______ line/lines of symmetry.
Is there any line of symmetry in the figure? If yes, draw all the lines of symmetry.
| 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 |
Find the number of lines of symmetry for the following shape:
On a squared paper, sketch the following:
A hexagon with exactly two lines of symmetry.
