Math, asked by kamboj73, 5 months ago

a quadrilateral abcd is a parallelogram if
(a) ab = cd
(b) ab|| bc
(c) ∠a = 60° ,∠c = 60° ,∠b =120°
(d) none of these
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Answers

Answered by sunildatt1510
1

Answer:

b ) ab ।। bc

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