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In figure ABCD is a Trapezium in which AB||DC, |
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Answer» ∠D are SUPPLEMENTARY then 105 ∘ +x=180 ∘ ⇒x=75 ∘ SIMILARLY, 115 ∘ +y=180 ∘ ⇒y=65 ∘ x+y=75+65=140 ∘ |
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