in adjoining figure AOC is a straight line , find x
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Answered by
3
Answer:
78+2x=180(linear pair)
2x=180-78
2x=102
X=51
Answered by
5
Answer:
x=51°
Step-by-step explanation:
2x+78°=180° (linear pair)
2x=180°-78°
2x=102°
x=102°/2
x=51°
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