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प्रश्न
Draw the line of symmetry of the following figure and also mark their points of symmetry, if any:
उत्तर
ABC is an isosceles triangle. Draw AD ⊥ BC. AD bisects ∠ A. Here AD is the line of symmetry. There is no point of symmetry.
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संबंधित प्रश्न
Use graph paper for this question. (Take 2 cm = 1 unit along both x and y-axis.) Plot the points O(0, 0), A(-4, 4), B(-3, 0) and C(0, -3)
1) Reflect points A and B on the y-axis and name them A’ and B’ respectively. Write down their coordinates.
2) Name the figure OABCB’A’.
3) State the line of symmetry of this figure
Complete the following figure, about the given lines of symmetry which are shown by dotted lines and name the figure thus obtained:
Construct a triangle ABC in which each side measures 5.8 cm. Draw all the possible lines of symmetry.
Construct a rhombus ABCD with AB= 5.0 cm and AC= 8 cm. Draw its lines of symmetry.
Draw two circles each of radius 2.5 cm touching each other. Construct the lines of symmetry of these circles.
Use a ruler and compass only in this question.
Construct the quadrilateral ABCD in which AB = 5 cm, BC = 7 cm and angle ABC = 120°, given that AC is its only line of symmetry.
Guess which of the shapes below would look the same after half a turn.
Think of all 2, 3 and 4 digit numbers which look the same on half a turn.
Example
- 2 digit numbers 11, ______, ______
- 3 digit numbers 101, 111, ______, ______, ______, ______, ______, ______
- 4 digit numbers 1001, 1111, ______, ______, ______, ______, ______
The number of capital letters of the English alphabets having only vertical line of symmetry is ______.
If an isosceles triangle has more than one line of symmetry, then it need not be an equilateral triangle.
