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4 years ago

14

HELP ME PLESE ,3 I NEED THIS

1 answer:

Trava [24]4 years ago

5 0

Answer:

270°

Step-by-step explanation:

$m\widehat{BC} = 360\degree - (146\degree + 90\degree) \\m\widehat{BC} = 360\degree -236\degree \\m\widehat{BC} = 124\degree \\\\m\widehat{ABC} =m\widehat {AB} + m\widehat {BC} \\m\widehat{ABC} =146\degree + 124\degree \\\huge \red {\boxed {m\widehat{ABC} =270\degree}} \\$

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Answer:

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Step-by-step explanation:

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4 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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