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Question

In Fig.,ΔODCΔOBA,BOC=125 and CDO=70. Find DOC,DCO and OAB
1265901_b3b97b5cbfbb47f997f80b7b0982d662.PNG

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Solution

By linear angle property,
COD+COB=180o
COD=180125=55o
In ΔCOD,55+70+DCO=180o
DCO=55o
As ΔODCΔOBA
OCD=OAB=55o.

1194168_1265901_ans_2dba6bafb6d94341a9f66a2f0d1546a4.jpg

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