Question

The square of a diagonal of a square is 200cm find the side of the square and also find its area​

Answer 1

Step-by-step explanation:

let

a is the side of the square

area of the square=a²

diagonal of the square =√2*a

200=√2*a

squaring on both sides

40000=2*a²

a²=20000cm²

area of the square= 20000cm²