54. Find the value of x
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Answered by
0
Answer:
x=70°
Step-by-step explanation:
2x+40=180°
2x=180-40
2x=140
x=140÷2
x=70°
Answered by
0
Answer:
x=70°
Step-by-step explanation:
x + x + 40° = 180° (sum of angles of triangle)
2x + 40° = 180°
2x = 180-40
2x = 140
x = 140/2
x = 70
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