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Constructing the Line of Symmetry When Two Fixed Points Are Symmetric with Respect to the Required Line.

What is the a...

Question

What is the angle between the mirror line 'l' and the line segment joining a point and its reflection?

$0^{\circ}$

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$45^{\circ}$

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$60^{\circ}$

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$90^{\circ}$

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Solution

The correct option is D
$90^{\circ}$

Consider two symmetric points about the line 'l' (mirror line) Join PQ. It can be observed that the angle made by line PQ and line 'l' is $90^{\circ}$ .

In other words, the lines are mutually perpendicular to each other.

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Question 5
Plot the points A (1, -1) and B(4, 5).
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What is the angle between the mirror line 'l' and the line segment joining a point and its reflection?

The correct option is D 90∘ Consider two symmetric points about the line 'l' (mirror line) Join PQ. It can be observed that the angle made by line PQ and line 'l' is 90∘. In other words, the lines are mutually perpendicular to each other.

The correct option is D
$90^{\circ}$

Consider two symmetric points about the line 'l' (mirror line) Join PQ. It can be observed that the angle made by line PQ and line 'l' is $90^{\circ}$ .

In other words, the lines are mutually perpendicular to each other.