14. If an angle of measure 80° is reflected in a line of symmetry, then the reflection is an angle of measure
- (A) 40°
- (B) 180°
- (C) 90°
- (D) 80°
13. Let a be the distance of the image of a point (or an object) from the line of symmetry (mirror) and b is that of the point (object) from the line (mirror). Then which of the following is true?
- (A) a < b
- (B) a > b
- (C) a = b
- (D) None of these
12. If p be the number of lines of symmetry in a rectangle and q is that of a rhombus, then which of the following is true?
- (A) p < q
- (B) p > q
- (C) p = q
- (D) None of these
11. If a line segment of length 5 cm is reflected in a line of symmetry (mirror), then its reflection (image) is also a line of length
- (A) > 5 cm
- (B) < 5 cm
- (C) = 5 cm
- (D) = 10 cm
10. How many letters of the word ALGEBRA are there, which have no line of symmetry?
- (A) 5
- (B) 4
- (C) 9
- (D) None of these
9. In the following figures, the figure that is not symmetric with respect to any line is:
- (A) (i)
- (B) (ii)
- (C) (iii)
- (D) (iv)
8. The number of lines of symmetry in the following figure is
- (A) 5
- (B) 4
- (C) 3
- (D) None of these
7. The number of lines of symmetry in the following figure is
- (A) 3
- (B) 1
- (C) 0
- (D) None of these
6. The number of lines of symmetry in the following figure is
- (A) 2
- (B) 0
- (C) 1
- (D) None of these
5. The number of lines of symmetry in the following figure is
- (A) 2
- (B) 3
- (C) 5
- (D) None of these
4. The number of lines of symmetry in the following figure is
- (A) 4
- (B) 5
- (C) 6
- (D) None of these
3. The number of lines of symmetry in the following figure is
- (A) 4
- (B) 5
- (C) 6
- (D) None of these
2. The number of lines of symmetry in the following figure is
- (A) 4
- (B) 3
- (C) 7
- (D) None of these
1. The number of lines of symmetry in the following figure is
- (A) 0
- (B) 1
- (C) 2
- (D) None of these