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Standard VI

Mathematics

Line Symmetry

L1 and L2 are...

Question

$L_{1} and L_{2}$ are two lines. If the reflection of $L_{1} in L_{2}$ and the reflection of $L_{2} in L_{1}$ coincide, then the angle between the lines is

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Solution

From the given data, the figure can be
represented as below

From the figure,
$3 θ = 180^{\circ}$
$\Rightarrow θ = 60^{\circ}$
Hence, the correct option is (B).

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Line Symmetry

Standard VI Mathematics

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L1 and L2 are two lines. If the reflection of L1 in L2 and the reflection of L2 in L1 coincide, then the angle between the lines is

From the given data, the figure can be represented as below From the figure, 3θ=180∘ ⇒θ=60∘ Hence, the correct option is (B).

$L_{1} and L_{2}$ are two lines. If the reflection of $L_{1} in L_{2}$ and the reflection of $L_{2} in L_{1}$ coincide, then the angle between the lines is

From the given data, the figure can be
represented as below

From the figure,
$3 θ = 180^{\circ}$
$\Rightarrow θ = 60^{\circ}$
Hence, the correct option is (B).