A B C D is a trapezium in which AB is ...

`A B C D` is a trapezium in which AB is parallel to CD . The diagonals `A C` and `B D` intersect at `O` . Prove that (i) ` A O B ~ C O D` (ii) If `O A=6c m` , `O C=8c m` , Find: `(A r e a\ ( A O B))/(A r e a\ ( C O D))` (b) `(A r e a\ ( A O D))/(A r e a\ ( C O D))`

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