12. In the given figure, find angle AOB in degrees
1089
X
2x
Answers
Answered by
0
Answer:
In given figure
∠AOD+∠DOC+∠COB=180
∘
[linear pair]
3x+10+3x+10+2x=180
8x+20=180
8x=180-20
8x=160
x=
8
160
=20
∴ value of x is 20.
Step-by-step explanation:
Answered by
0
Answer:
In given figure
∠AOD+∠DOC+∠COB=180
∘
[linear pair]
3x+10+3x+10+2x=180
8x+20=180
8x=180-20
8x=160
x=
8
160
=20
∴ value of x is 20.
Step-by-step explanation:
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