The diagonal of square is 4 cm find its perimeter
Answers
Answered by
1
Diagonal of square=4cm
As a diagonal in a square divides that square into two right angled triangles
Let the side of that square is a
by pythagoras theorem
a^2+a^2=4^2
2a^2=16
a=2.82
perimeter of the square =4a
=4*2.82
=11.28
As a diagonal in a square divides that square into two right angled triangles
Let the side of that square is a
by pythagoras theorem
a^2+a^2=4^2
2a^2=16
a=2.82
perimeter of the square =4a
=4*2.82
=11.28
Similar questions