Advertisements
Advertisements
प्रश्न
Copy the triangle in the following figure on squared paper. Draw the line(s) of symmetry, if any and identify the type of triangle. (Some of you may like to trace the figure and try paper-folding first!)
उत्तर
It is a scalene triangle. There will be no line of symmetry.
APPEARS IN
संबंधित प्रश्न
Use a graph paper for this question taking 1 cm = 1 unit along both the x and y-axis :
1) Plot the points A(0, 5), B(2, 5), C(5, 2), D(5, -2), E(2, -5) and F(0, -5).
2) Reflect the points B, C, D and E on the y-axis and name them respectively as B’, C’, D’ and E’.
3) Write the coordinates of B’, C’, D’ and E’.
4) Name the figure formed by B C D E E’ D’ C’ B’.
5) Name a line of symmetry for the figure formed.
AB is a diameter of a circle with centre C = (–2, 5). If A = (3, –7). Find
1) the length of radius AC
2) the coordinates of B.
Draw a line of symmetry of the given figure such that one hole coincide with the other hole(s) to make pairs.
Which of the following letters have both horizontal and vertical lines of symmetry?
Is there any line of symmetry in the figure? If yes, draw all the lines of symmetry.
Write the number of lines of symmetry in each letter of the word ‘SYMMETRY’.
Open your geometry box. There are some drawing tools. Observe them and complete the following table:
| Name of the tool | Number of lines of symmetry |
| (i) The Ruler | ______ |
| (ii) The Divider | ______ |
| (iii) The Compasses | ______ |
| (iv) The Protactor | ______ |
| (v) Triangular piece with two equal sides | ______ |
| (vi) Triangular piece with unequal sides | ______ |
Complete the following table.
|
Shape |
Rough figure |
Number of lines of symmetry |
|
Equilateral triangle |
|
3 |
|
Square |
______ |
______ |
|
Rectangle |
______ |
______ |
|
Isosceles triangle |
______ |
______ |
|
Rhombus |
______ |
______ |
|
Circle |
______ |
______ |
On a squared paper, sketch the following:
A quadrilateral with a horizontal line of symmetry but no vertical line of symmetry.
Trace the figure and draw the lines of symmetry, if any:
