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Find the slope of the line on the graph. Write your answer as a fraction or a whole number, not a mixed number or decimal.
2 answers:
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Answer: t=20°
Step-by-step explanation:
1. By definition, the sum of the interior angles is 180 degrees.
2. Keeping the information above on mind, you can write the following expression:
3. Now, you must solve for as following:
4. Therefore, the value of is 20°