Question

quadrilateral ABCD is a trapezium in which side a b parallel side CD and side aidi congruent sides BC prove that diagonal AC is congruent to diagonal BD​

Answer 1

Answer:

4.5

Step-by-step explanation:

From the Question we have Δ COD is similar to Δ AOB.

Since, ∠COD=∠AOB (opposite angle) , ∠CDO=∠OBA (transversal angle) and ∠DCO=∠OAB (transversal angle).

Then

AB

CC

=

OA

OO

or,

20

6

=

15

OO

or, OD=4.5

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