Question

If the length of the diagonal of a square is 15cm find the perimeters ?
(a) 60 cm
(b) 30 cm
(c) 60√2cm
(d) 30√2cm
which one is the corrrect answer Please Give right answer​

Answer 1

Answer:

ANSWER

Let the side of square be s

Area=s×s=s

2

AC=

AB

2

+BC

2

=

2

s

=

2

×s

2

s=

2

×s

2

s=s

2

s=1

∴Perimeter =4s

=4×1=4