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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 arrow head.
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संबंधित प्रश्न
Using graph paper and taking 1 cm = 1 unit along both x-axis and y-axis.
1) Plot the points A(–4, 4) and B(2, 2).
2) Reflect A and B in the origin to get the images A’ and B’ respectively.
3) Write down the coordinates of A’ and B’.
4) Give the geometrical name for the figure ABA’B’.
5) Draw and name 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:
Given below are part of a geometrical figure. Complete the figure so that both axes are lines of symmetry.
Construct a paralIelogra m PQRS in wh i di QR = 5. 4 cm , SR = 6. 0 cm and ∠ Q= 60°. Draw its lines of symmetry, if possible.
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.
The number of capital letters of the English alphabets having only horizontal line of symmetry is ______.
With ruler and compasses, we can bisect any given line segment.
In figure, PQRS is a rectangle. State the lines of symmetry of the rectangle.
Complete the following table.
|
Shape |
Rough figure |
Number of lines of symmetry |
|
Equilateral triangle |
|
3 |
|
Square |
______ |
______ |
|
Rectangle |
______ |
______ |
|
Isosceles triangle |
______ |
______ |
|
Rhombus |
______ |
______ |
|
Circle |
______ |
______ |
Can you draw a triangle which has no lines of symmetry?
