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Number 25 is the only one I need help in. Please explain in steps
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Number 25 is the only one I need help in. Please explain in steps

Number 25 is the only one I need help in. Please explain in steps-example-1
User Laridzhang
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1 Answer

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k=45. Basically you add all the angles up and set it equal to 180. It would look like 45+2k+k=180. Combine like terms and you get 45+3k=180. Subtract 45 from 180 and then divide by 3.
User Phantom Lord
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