Question 249599
X^2=(X+2)^2-32
X^2=X^2+4X+4-32
X^2-X^2-4X=-28
-4X=-28
X=-28/-4
X=7 FT. FOR THE SIDES OF THE SQUARE MIRROR.
7+2=9 FT. FOR THE SIDES OF THE SQUARE PAINTING.
PROOF:
7^2=9^2-32
49=81-32
49=49