Q. 385.0( 1 Vote )
In Fig. 5.30, whi A. ∠1 + ∠5 = 180°
B. ∠2 + ∠5 = 180°
C. ∠3 + ∠8 = 180°
D. ∠2 + ∠3 = 180°
Answer :
∠1 = ∠3 (Corresponding angles)
∠3 + ∠5 = 1800 (Supplementary pairs)
So ∠1 + ∠5 = 180°
∠5 = ∠7 (Corresponding angles)
∠2 + ∠7 = 1800 (Supplementary pairs)
So ∠2 + ∠5 = 180°
∠1 = ∠3 (Corresponding angles)
∠1 + ∠8 = 1800 (Supplementary pairs)
So ∠3 + ∠8 = 180°
∠2 = ∠4 (Corresponding angles)
∠3 = ∠4 (Vertically Opposite angle)
So ∠3 = ∠2
Hence ∠3 and ∠2 are not supplementary pairs
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