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प्रश्न
If an angle of measure 80° is reflected in a line of symmetry, then the reflection is an ______ of measure ______.
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उत्तर
If an angle of measure 80° is reflected in a line of symmetry, then the reflection is an angle of measure 80°.
Explanation:
The reflection is an angle of measure 80°.
APPEARS IN
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) | |||
The point P (3, – 8) is reflected in origin to point Q. The Point Q is further reflected in the x-axis to point R. Find :
(i) the co-ordinates of Q
(ii) the co-ordinates of R
(iii) the image of P (3, – 8) in the y-axis.
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:

In the following case, construct a point that is symmetric to the given point P with respect to the given line AB.

Draw all the possible lines of symmetry for the given figure below:

Draw all the possible lines of symmetry for the given figure below:

Does it look the same on half a turn? Discuss.
Find the number of lines of symmetry in the following shapes. How will you check your answers?

Find the number of lines of symmetry in the following shapes. How will you check your answers?

