if ( 6x+20°),(9y+30°) and (3z+40°) form a complete angle ,then the relationship between x ,y, z is: (a)3x +2y +3z=90°. (b)2x+3y+z=90°. (c)x+2y+3z=90°. (d)x+y+3z=90°.
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yaar nhi pta
sorry try it and let u know
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