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In the following figure, which of the two lines are parallel and why? - Mathematics

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प्रश्न

In the following figure, which of the two lines are parallel and why? 

योग

उत्तर

Left side figure shows the sum of two interior angles = 132° + 48° = 180° because the sum of two interior angles on the same side of a transversal line n is 180°, thus l || m.

Right side figure shows the sum of two interior angles = 73° + 106° = 179° ≠ 180° because the sum of two interior angles on the same side of a transversal line r is not equal to 180°, thus p is not parallel to q.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Lines & Angles - Exercise 6.2 [पृष्ठ ५७]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 9
अध्याय 6 Lines & Angles
Exercise 6.2 | Q 9. | पृष्ठ ५७

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