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Q17. In the given figure, if AB CD, CD EF and y: z=3:7.find x​

Answer»

Answer:

Step-by-step EXPLANATION:

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=10180∘​=18∘

z=7×18∘=126∘

x=z=126∘


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