3.Find x, if the angles of a triangle are :(i) x°, x°, x°(ii) x°, 2x°, 2x(iii) 2x, 4xº, 6x About the author Gabriella
3 (i) x + x + x = 180 3x = 180 x = 180/3 x = 60 ° (ii) x + 2x + 6x = 180 9x = 180 x = 180/9 x = 20 (iii) 2x + 4x + 6x = 180 12x = 180 x = 180/12 x = 15 Reply
3
(i) x + x + x = 180
3x = 180
x = 180/3
x = 60 °
(ii) x + 2x + 6x = 180
9x = 180
x = 180/9
x = 20
(iii) 2x + 4x + 6x = 180
12x = 180
x = 180/12
x = 15