2]2In the given fig lines AB and CD intersect each otherat a point EFi

1.	2]2In the given fig lines AB and CD intersect each otherat a point EFind the value of x, y and z
Answer» angle DEC = 180° => x + 60 + 2X = 180 => 3X. = 120 => x. = 40° angle AEB = 180° => 2x + Z = 180 => 2x40 + z = 180 => z = 100° and => z + 5y = 180°. linear pair => 100 + 5y = 180 => 20 + y = 36 => y. = 16 therefore x = 40° y = 16° z = 100°

2]2In the given fig lines AB and CD intersect each otherat a point EFind the value of x, y and z

Answer»

angle DEC = 180°

=> x + 60 + 2X = 180

=> 3X. = 120

=> x. = 40°

angle AEB = 180°

=> 2x + Z = 180

=> 2x40 + z = 180

=> z = 100°

and

=> z + 5y = 180°. linear pair

=> 100 + 5y = 180

=> 20 + y = 36

=> y. = 16

therefore

x = 40°

y = 16°

z = 100°

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2]2In the given fig lines AB and CD intersect each otherat a point EFind the value of x, y and z

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