Answer:
4√2 cm
Explanation:
Perimeter of square = 4a = 16cm
a = 16 / 4
a = 4 cm
Length of each side = 4 cm
Diagonal^2 = side^2 + side^2
= 4^2 + 4^2
= 16 + 16
Diagonal^2 = 32
Diagonal = 4√2 cm
perimeter of a square is l+l+l+l
16+16+16+16=64
4.5m questions
5.9m answers