Question

B В
50
SO
АОВ
[2AOB and 2 BOD are linear pairs]
Write the relation between COAB and COBA
ZOBA=
ZOAB
[ DOB is the outer angle at the corner O of the triangle AOB
Write the suitable name of triangle AOB
Like this, find the ZOAC.
Measure of BOC
ZDOB+
+ 50° = 100​

Answer 1

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