Question

if the side of a square is x+1, then the diagonal of the square is
A)x^2+1
B)2x+2
C)x√2+√2
D)x^2+2
E)√2x+√2

Answer 1

then ?

Answer 2

What is the question?

Answer 3

if the side of a square is x+1, then the diagonal of the square is
A)x^2+1
B)2x+2
C)x√2+√2
D)x^2+2
E)√2x+√2

Answer 4

use pythagoras' theorem: the diagonal would be the hypotenuse (d)
\[ \large d^2=(x+1)^2+(x+1)^2 \]
solve for d