5. In the given figure,find x.
angel aod(x+10) angel cob(x+20) find angle doc
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Answer:
.
Step-by-step explanation:
We know that the sum of all the angles in a straight line is 180
o
∠BOC+∠COD+∠AOD=180
o
.
x+20+x+x+10=180
o
3x+30=180
o
3x=150
o
x=50
o
∠COD=50
o
∠AOD=x+10
o
=60
o
∠BOC=x+20
o
=70
o
∴ ∠COD=50
o
, ∠AOD=60
o
and ∠BOC=70
o
.
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