In the given figure, lines AB and CD intersect each other at point O.
If ZAOC: ZBOC = 5: 4 find BOD.
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Step-by-step explanation:
In figure, ray OA, stands on the line CD.
Therefore a+b=180
o
(Linear pair of angles)
It is given that a:b=4:5
There, we have sum of the ratios =4+5=9
a=180
o
×
9
4
, and b=180
o
×
9
5
=100
o
Now, c=a=180
o
and d=b=100
o
(vertically opposite angles)
Hence, a=80
o
,b=100
o
,c=80
o
and d=100
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