Q. 104.1( 68 Votes )

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Answer :

(i) Following pairs of vertically opposite angles are as follows:

1 and 4

Also,

5 and 2 + 3

These all are pairs of vertically opposite angles because these are formed due to the intersection of two straight lines

(ii) Following pairs of linear pairs are as follows:

1 and 5

Also,

5 and 4

These all pairs are linear pairs because these all have a common vertex and their non – common arms are opposite to each other

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