Question

the perimeter of a square is 4 x + 20
centimetre what will be the length of its diagonal​

Answer 1

Answer:

√2(x+5)

Step-by-step explanation:

side of sq=(4x+20)/4=x+5

diagonal=√[(x+5)^2+(x+5)^2]=

√[2{(x+5)^2}]=

√2(x+5)