Na triangle, the second angle is twice the measure of the first, and the third angle is three times the measure of the second. find the measure of the third angle. a. 20 b.30 c.120 d.180

an

y = 6x -3y -12

y +3y +12 = 6x

=> . x = { 2y / 3 +2 } this is equation of line in terms of x

=> . if line meets the x-axis the co-ordinates of meeting point would be ( x , 0 )

=> . x = 2 ( 0 ) / 3 + 2

=> . x = 2

so, the point is ( 2 , 0 )

answer

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