A) 0
B) 5 cm
C) 2.5 cm
D) 10 cm
Correct Answer: C
Solution :
In the following ray diagram \[\Delta 's,\] ABC and CDE are symmetric So, \[\frac{AB}{BC}=\]\[\frac{DE}{CD}\]\[\Rightarrow \]\[\frac{5}{40}=\frac{h}{20}\Rightarrow h=2.5\]\[cm\]You need to login to perform this action.
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