Simplify the expression to a + bi form: (12-6i)-(7+8i) (12−6i)−(7+8i)
1 answer:
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Answer:
x = 73°
Step-by-step explanation:
a whole circle = 360°
so x + 50° + 91° + 2x = 360°
x+ 2x = 360°- 91° - 50°
3x = 219°
x = 219° ÷ 3
x = 73°
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