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if AB is pallel toCDand x:y=5:7 …

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if AB is pallel toCDand x:y=5:7 then find a, b, c, d, e, f

    • Posted by Kunal Bhave 4 years ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Ananya K 4 years ago

    ANSWER Let y and z be 3u and 7u ∠x=∠z (Alternate angles) ∠x+∠y=180 ∘ (Angles made on same side of transversal) Put x=z ∠z+∠y=180 ∘ 7u+3u=180 ∘ 10u=180 ∘ u= 10 180 ∘ ​ =18 ∘ z=7×18 ∘ =126 ∘ x=z=126 ∘

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