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प्रश्न
If a line segment of length 5 cm is reflected in a line of symmetry (mirror), then its reflection (image) is a ______ of length _______.
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उत्तर
If a line segment of length 5 cm is reflected in a line of symmetry (mirror), then its reflection (image) is a line segment of length 5 cm.
Explanation:
Because its reflection is a line segment of length 5 cm.
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संबंधित प्रश्न
Complete the following table:
| Point | Reflection in | ||
| x-axis | y-axis | origin | |
| (i) (8, 2) | |||
| (ii) (5, 6) | |||
| (iii) (4, −5) | |||
| (iv) (6, −2) | |||
| (v) (−3, 7) | |||
| (vi) (−4, 5) | |||
| (vii) (−2, −7) | |||
| (viii) (−6, −3) | |||
| (ix) (4, 0) | |||
| (x) (−7, 0) | |||
| (xi) (0, −6) | |||
| (xii) (0, 7) | |||
| (xiii) (0, 0) | |||
Each of the points A (3, 0), B (7, 0), C (- 8, 0), D (- 7, 0) and E (0, 0) is reflected in x-axis to points A’, B’, C’, D’ and E’ respectively. Write the co-ordinates of each of the image points A’, B’, C’, D’ and E’.
Examine the following figure carefully, draw line(s) of symmetry in whichever figure possible:
Construct a triangle ABC, in which AB = BC = 4 cm and ∠ABC = 60°. Draw all its lines of symmetry.
Mark two points A and B 5.5 cm apart. Draw a line PQ so that A and B are symmetric with respect to the line PQ. Give a special name to line PQ.
In the following case, construct a point that is symmetric to the given point P with respect to the given line AB.
Observe various commonly seen objects such as tree leaves, birds in flight, pictures of historical buildings, etc. Find symmetrical shapes among them and make a collection of them.
Which fan will look the same on a `1/3` turn?
Write all the capital letters of the English alphabets which have more than one lines of symmetry.
Copy the following drawing on squared paper. Complete such that the resulting figure has two dotted lines as two lines of symmetry.
How did you go about completing the picture?
