Question

9. In the adjoining figure, ABCD is a quadrilateral Dand AC is one of its diagonals. Prove that(i) AB+BC+CD+DA> 2AC(ii) AB + BC + CD > DA(iii) AB + BC+CD+DA > AC + BD.1:00​

Answer 1

Answer:

1.sum of all sides of quadrilateral that is AB +BC +CD+ DA.>2AC (diagonal are equal)

2.same prove from 1