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Angles of the triangle are 2x, 4x, 3x
Therefore, angles are =) 2x + 3x + 4x = 180 [sum of all angles of triangle are 180]
=) 9x = 180
=) x = 180/9
=) x = 20
Angles = 2x, 3x, 4x = 2(20), 3(20), 4(20)
= 40, 60, 80.
y = 180 - 3x [straight angle]
y = 180 - 60
y = 120.
Hope, it will help you.
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