A) True
B) False
C) Cannot say
D) Partially True/False m
Correct Answer: A
Solution :
In \[\Delta AOB\] and \[\Delta OCD\], |
\[\angle AOB=\angle COD\] [vertically opposite angle] |
\[\angle ABO=\angle CDO\] [\[AB\,|\,|\,CD\], alternate angle] |
\[\angle BAO=\angle OCD\] [\[AB\,|\,|\,CD\], alternate angle] |
\[\Delta OAB\tilde{\ }\Delta OCD\] (AAA similarity) |
Then, \[\frac{OA}{OC}=\frac{OB}{OD}\] |
[corresponding sides are proportional]. |
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