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प्रश्न
A 30° – 60° – 90° set-square has ______ line/lines of symmetry.
उत्तर
A 30° – 60° – 90° set-square has no line/lines of symmetry.
Explanation:
Since, a 30° – 60° – 90° set square has a shape of scalene triangle and a scalene triangle have no line of symmetry because all its sides and angles are of different measures.
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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.
Draw the line of symmetry of the following figure and also mark their points of symmetry, if any:
Draw an equilateral triangle each of whose side is 4 cm. Draw all its lines of symmetry.
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The number of lines of symmetry in a rectangle and a rhombus are ______ (equal/unequal).
A square and a rectangle have the same number of lines of symmetry.
A 45° – 45° – 90° set-square and a protractor have the same number of lines of symmetry.
A regular octagon has 10 lines of symmetry.
Write the number of lines of symmetry in each letter of the word ‘SYMMETRY’.
Trace the figure and draw the lines of symmetry, if any:
