misal,
sudut a = x°
sudut b = 20° + c
sudut c = 30% . a
- nilai x (sudut a)
a + b + c = 180°
x° + (20° + (30% . a) + (30% . a) = 180°
x° + (20° + (30% . x°) + (30% . x°) = 180°
x° + 60% . x° + 20° = 180°
x° + 60/100 . x + 20° = 180°
x° + 3/5x = 160°
5x° + 3x° = 800°
8x° = 800°
x = 100°
- sudut c
= 30% . a
= 30/100 x 100
= 30°
- sudut b
= 20° + c
= 20° + 30°
= 50°
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misal,
sudut a = x°
sudut b = 20° + c
sudut c = 30% . a
- nilai x (sudut a)
a + b + c = 180°
x° + (20° + (30% . a) + (30% . a) = 180°
x° + (20° + (30% . x°) + (30% . x°) = 180°
x° + 60% . x° + 20° = 180°
x° + 60/100 . x + 20° = 180°
x° + 3/5x = 160°
5x° + 3x° = 800°
8x° = 800°
x = 100°
- sudut c
= 30% . a
= 30/100 x 100
= 30°
- sudut b
= 20° + c
= 20° + 30°
= 50°