Questions on Similaity Based on the Properties of Transversals
When two para...
Question
When two parallel lines are transected by the two intersecting lines then the two triangles so formed are
A
Congruent to each other
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B
Similar to each other
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C
Right angled triangles
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D
None
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Solution
The correct option is B Similar to each other When two parallel lines are cut by the two intersecting lines the two triangles will always be similar to each other.
let us see by the diagram, there are two possibilities
one is,in this figure, ∠A is common in both triangles and ∠ABC=∠ADE(corresponding angles)
So triangles are similar.
And one possibility is, In this figure also, ∠DAE=∠CAB(vertically opposite angles) ∠ADE=∠ACB(alternate angles)
Hence, triangles are similar.