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Please answer this question?​
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Please answer this question?​

Please answer this question?​-example-1
User Shlomi Fresko
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Answer:

Answer: (a). 290°


{ \tt{a + 40 \degree + 30\degree = 360\degree}} \\ \\ { \tt{a + 70\degree = 360\degree}} \\ \\ { \tt{a = 360\degree - 70\degree }} \\ \\ { \boxed{ \tt{ \: \: a = 290\degree}}}

User Amit Bhoyar
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