Question

the diagonal of a square is 10cm then find the length of its side and perimeter​

Answer 1

Step-by-step explanation:

Diagonal of square =10cm

Also, diagonal of square =

2

×side

or,

2

×side=10⇒side=

2

10

=

2

10

2

=5

2

cm

∴ Area of square =(side)

2

=(5

2

)

2

=50cm

2