The units are incompatible square foot is a measure of area yards is a linear measurement
12*50/6=100 100 square yards
300 yards if the dimensions are also yards
By 50 yards you probably mean 50 "square" yards (?). There are 9 square feet per square yard so 50 square yards is 50 x 9 = 450 square feet.
7500 square feet (75002 feet)
Something seems to be missing in your question; so I will take a stab at what you may be asking. If you meant a 50 foot square, then 50 ft x 50 ft = 2500 sq ft Divide by 9 square feet/sq yard to get 277.8 square yards.
50 x 52 yards is 2600 square yards. 50 x 52 feet is 288.89 square yards. 50 x 52 inches is 2.01 square yards.
50
There are 9 square feet in one square yard. Therefore, 50 square yards is equal to 50 x 9 = 450 square feet.
50 square feet = 5.55 square yards.
There are 9 square feet in a square yard, so 50 square yards is 450 (9 x 50) square feet.
Total square yards: 277.78
300 square feet