Problem 12 of 7
Use triangle angle sum to find the missing angle when the other two angles are x+15 degrees and x+25 degrees.
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apply sum of interior angles equals 180 degrees.
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Angles must be interior angles of one triangle.
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Solution
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1. Add the known interior angles.
2. Set the total of all three angles to 180 degrees.
3. Solve or simplify for the missing angle.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using 360 degrees for a triangle.