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प्रश्न
Among the following shapes, find out which ones would look the same after turn. Put a (✓).
Put a (X) on the shapes that will not look the same after half a turn.
उत्तर
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संबंधित प्रश्न
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.
Complete the following figure, about the given lines of symmetry which are shown by dotted lines and name the figure thus obtained:
Draw an isosceles ΔABC, where BC = 3.5 cm, the base angles C and B = 75°. Use ruler and compass only. Draw all lines of symmetry of the triangle.
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.
Draw a line of symmetry of the given figure such that one hole coincide with the other hole(s) to make pairs.
Which among the following pictures will look the same on half a turn?
The instrument in the geometry box having the shape of a triangle is called a ______.
If an isosceles triangle has more than one line of symmetry, then it need not be an equilateral triangle.
If an isosceles triangle has more than one line of symmetry, then it must be an equilateral triangle.
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 | ______ |
