Question

help :(

Answer 1

We have a quadrilateral ABCD with AB+CD+AC=20cm and the area of quadrilateral is 50cm^2. Find the length of diagonal BD.

Answer 2

@phi

Answer 3

Does this question have a figure ? If so, can you post it or a sketch?

Answer 4

ok wait

Answer 5

yes, it will take some musing.

Answer 6

my math professor gave me this question...he has a hole lot of such amusing questions. :)

Answer 7

what techniques have you been studying? maybe there is a hint there?

Answer 8

we've been studying- solutions of triangles
trignometry
sequences nd series

Answer 9

If I get any bright ideas, I'll post it.

Answer 10

ok thanks :)

Answer 11

ok

Answer 12

DANG MAN

Answer 13

the length of diagonal as a function of the length of the opposite sides, i feel like there is another variable involved but i think we can write a dependant function of these variables

Answer 14

it has to be the key to getting an expression for some unknowns