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प्रश्न
Complete the following table.
|
Shape |
Rough figure |
Number of lines of symmetry |
|
Equilateral triangle |
|
3 |
|
Square |
______ |
______ |
|
Rectangle |
______ |
______ |
|
Isosceles triangle |
______ |
______ |
|
Rhombus |
______ |
______ |
|
Circle |
______ |
______ |
उत्तर
|
Shape |
Rough figure |
Number of lines of symmetry |
|
Equilateral triangle |
|
3 |
|
Square |
|
4 |
|
Rectangle |
|
2 |
|
Isosceles triangle |
|
1 |
|
Rhombus |
|
2 |
|
Circle |
|
Infinite
|
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संबंधित प्रश्न
Construct a regular hexagon of side = 3.8 cm and draw all its lines of symmetry .
Construct an isosceles right-angled triangle, having hypotenuse= 8 cm. Draw its lines of symmetry.
Draw an equilateral triangle each of whose side is 4 cm. Draw all 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.
Which of the following alphabets has a right angle in it?
A 30° – 60° – 90° set-square has ______ line/lines of symmetry.
A rectangle is symmetrical about the lines joining the ______ of the opposite sides.
A kite has two 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 |
Can you draw a triangle which has exactly one line of symmetry?
