Question

If the length of a side of a rhombus is 6 cm, then the perimeter of rhombus is (a) 6cm (b) 12 cm (c) 24 cm (d) 3 cm ​

Answer 1

Solution :-

REF.Image

We know diagonals bisects at right angle

∴ In △AOD

AO

2

+OD

2

=AD

2

(3)

2

+(4)

2

=AD

2

⇒AD=5cm