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Image of a Point with Respect to X = a

Use graph pap...

Question

Use graph paper for this question.

A(0, 3), B(3, -2) & O(0, 0) are the vertices ∆ ABO.

Plot the ∆ on a graph taking 2 cm = 1 unit on both axes.

Plot point D, which is the reflection of B in the Y axis.

a) Give geometrical name to the figure ABOD.

b) Write the equation of line of symmetry of figure ABOD.

A

Rectangle, = 0

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B

Arrow head, = 0

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C

Rhombus, x = 0

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D

Square, y = 0

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E

Arrow head, = 0

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F

Rhombus, x = y

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G

Pentagon, x = 2y

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H

Pentagon, x = 0

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Solution

The correct option is B
Arrow head, = 0

D(-3, -2)

ABOD is an arrow head.

Line of symmetry is y – axis

= 0

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Similar questions

Use graph paper for this question.

Plot points A(4, 4); B(4, –6) & C(8, 0).

Reflect ABC on the y – axis and name it A’, B’& C’

a) Write the geometric name of the figure AA’C’B’BC.

b) Identify the line of symmetry of the figure AA’C’B’BC.

Use graph paper for this question.

Plot points A(-2, 4); B(2, 1) & C(-6, 1)

The line of symmetry of ∆ ABC & the line BC are both lines of symmetry of a quadrilateral ABCD.

a) Write the geometric name of the figure ABCD.

b) Write down the equations of the lines of symmetry of the quadrilateral ABCD.

Q. Use graph paper for this question.
(Take

2 c m = 1

unit along both

x

y

axis).
Plot the point

O (0, 0), A (- 4, 4), B (- 3, 0)

C (0, - 3)

.
State the line of symmetry of this figure

Use graph paper for this question. Take 1 cm = 1 unit on both axes.

i) Plot the points A (–2, 0), B (4, 0) and C (1, 4) on the graph.

ii) Plot D (–2, 4) and E (4, 4). Assign special name to quadrilateral ABED.

iii) Draw lines of symmetry of quadrilateral ABED, and DABC.

iv) Write the equation of lines of symmetry.

Q. Using graph paper and taking

1 c m = 1

unit along both

x

y

-axis.
(i) Plot the points

A (- 4, 4)

B (2, 2)

A

B

in the origin to get images

A^{'}

B^{'}

respectively.
(iii) Write down the co-ordinates of

A^{'}

B^{'}

.
(iv) Give the geometrical name for the figure

A B A^{'} B^{'}

(v) Draw and name its lines of symmetry.

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