Question

construct a quadrilateral ABCD, Prove that AB + CD + AD > BC.​

Answer 1

Answer:

For example,

A=1

B=2

C=3

D=4

SO

1×2+3×4+1×4

2+12+4

18

2×3

6

therefore 18 is more than 6 and AB+CD+AD is more than BC