find the value of the unknown angles in the following figures.
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Answers
Answered by
1
Answer:
70 degrees
Step-by-step explanation:
40 + 2x = 180
2x = 180 - 40 = 140
x = 140/2 = 70
Answered by
0
Answer:
x+x+40=180 (sum of interior angles of triangle=180)
2x=140
x=70
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