Question

1
(2) ABCD is a quadrilateral. Is AB+BC+CD+AD <2(AC+BD)?
А A
B.
С.​

Answer 1

Answer:

No

Step-by-step explanation:

Suppose, quadrilateral ABCD is a square.

Then, its sides are equal.

i.e. AB+BC+CD+DA = 4AB

Now, AC=BD= AB

i.e. 2(AC+BD)= 2(AB+AB)

= 2(2AB)

= 4AB

i.e. AB+BC+CD+DA = 2(AC+BD)