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प्रश्न
The instrument in the geometry box having the shape of a triangle is called a ______.
पर्याय
Protractor
Compasses
Divider
Set-square
उत्तर
The instrument in the geometry box having the shape of a triangle is called a set-square.
Explanation:
On observing the instruments in the geometry box, we find that a set square has a shape of a triangle.
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संबंधित प्रश्न
Use a graph paper to answer the following questions (Take 1 cm = 1 unit on both axes)
1) Plot A(4,4), B(4,-6) and C(8,0), the vertices of a triangle ABC.
2) Reflect ABC on the y-axis and name it A’B’C’.
3) Write the coordinates of the images A’, B’ and C’.
4) Give a geometrical name for the figure AA’ C’ B’ BC.
5) Identify the line of symmetry of AA’ C’ BC’.
Use graph paper for this question) (4)
A(0, 3), B(3, −2) and O(0, 0) are the vertices of triangle ABO.
(1) Plot the triangle on a graph sheet taking 2 cm = 1 unit on both the axes.1
(2) Plot D the reflection of B in the Y-axis, and write its coordinates.
(3) Give the geometrical name of the figure ABOD.
(4) Write the equation of the line of symmetry of the figure ABOD.
Construct a square of side 4.8 cm and draw all its lines of symmetry .
Match the following shapes with their number of lines of symmetry
| Column A | Column B | ||
| i) | Square | a) | No line of symmetry |
| ii) | Parallelogram | b) | One line of symmetry |
| iii) | Isosceles triangle | c) | Two lines of symmetry |
| iv) | Rectangle | d) | Four lines of symmetry |
Which of the following letters has only one line of symmetry?
The number of lines of symmetry in a ruler is ______.
The number of lines of symmetry in a 30° – 60° – 90° set square is ______.
In figure, if B is the image of the point A with respect to the line l and P is any point lying on l, then the lengths of the line segments PA and PB are ______.
The number of lines of symmetry in a regular polygon of n sides is ______.
Find the number of lines of symmetry for the following shape:
