Question

In the given figure x = y and a = b prove that I ll n
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Answer 1

x=y given.

x=a

a=b

therefore l=m

Answer 2

Answer:

Proved Step by Step ( Hope you Understood )

Step-by-step explanation:

Given :

             a = b

             x = y

In-Line l and m ( taking line n as transversal )

x and y are corresponding and we know x = y,

that refers to l∥m

In-Line m and n ( taking the line below n as transversal )

a and b are corresponding and we know a = b,

that refers to m∥n

Now we know that :

l∥m ( line l is parralel with line m )

m∥n ( line m is parallel with line n )

so as per theorem ( that is if a∥b and b∥c then a∥c ) we can say

l∥m∥n, which refers that

l∥n Hence Proved

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