Answer:
A). Area of mural =

B). length =

width = 2 yards
Explanation:
A).
Length of Side of Square shaped mural =

Area of mural = side × side =

=

B).
Area of rectangular mural =

Area of rectangle is given as = length × width
Means length and width can be any no whose product equals to

one pair of such a number is as follows,
length =

width = 2 yards