Perimeter (P) of a square = 4s ; where s is the length of a side
1 yd = 4s
yd = s
Area (A) of a square = s²
= ()²
Now, convert from yard to foot to inch:
()² x ()² x ()²
= (3 x 3 x 12 x 12) ÷ (4 x 4)
= 81 in²
8.5m questions
11.1m answers