In the figure, if AC = 2m, OC = 3m and OD = 7m, then find BD.
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After proving yriangles similar by AA test,
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In Triangle AOC and BOD:
/_A = /_B = 90° [Given]
/_AOC = /_BOD [Vertically Opposite Angles]
Triangle AOC is similar to Triangle BOD, by AA similarity criterion.
Thus:
AC/BD = OC/DO
=> 2/BD = 3/7
=> BD = 14/3 = 4.66 m
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