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In fig6.29 if AB//CD//EF and y:z …

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In fig6.29 if AB//CD//EF and y:z 3:7 find x

Posted by Shashank Sharma 9Th F Sharna 2 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Kanishka Dahiya 2 years, 2 months ago

Answer: y:z =3:7 let y=3a z=7a y+z=180° (linear pair of angles). 3a+7a=180° 10a=180° a=18° let ,y=3×18°=54° x+y=180°. ( Linear pair of angles). x+54°=180° x=180°-54° x=156°

1Thank You

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CBSE > Class 09 > Mathematics