Question

The diagonal of a square is 20 cm
Slole of the square and its perimeter
find the​

Answer 1

Answer:

Diagonal of a square = side

2

⇒ Side =

2

diagonal

=

2

20

cm=

2

20

×

2

2

cm

=

2

20

×

2

cm=10

2

cm

∴ Perimeter of square =4×side

=4×10

2

= 40

2

cm.