Question 779000
The diagonal of a square is 8 in. Find the area and the perimeter.
:
Find the dimensions first
2s^2 = 8^2
s^2 = 64/2
s^2 = 32 sq/in is the area
one side
s = {{{sqrt(32)}}}
simplify
s = {{{4*sqrt(2)}}}
then
s = 4*({{{4*sqrt(2)}}}) = {{{16*sqrt(2)}}} ~ 22.627 inches is the perimeter