Question

3. In figure 2.20, if La is congruent to Zb and Zx is congruent to Zy then prove that line l || line n. ​

Answer 1

Solution :

 

If <a is congruent to <b then  

l // m -----( 1 )

 

If <x is congruent to <y then  

m // n -----( 2 )

 

From ( 1 ) and ( 2 ) , we get  

If l// m and m // n then

 

l//n [ Transitive Property ]  

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