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taskmasters
We are asked to solve for the area of the parallelogram trapezoid where the formula is shown below:
Area = b * h where "b" are for the base and "h" for the height

We have the following given:
Base = x yards 
Altitude = 3y feet

We know that 1 yard = 3 feet, convert base into feet units.
Base = x yards *(3feet/1 yard)
Base = 3x feet

Solving for the area:
Area = (3x)* 3y
Area =9xy

The answer is 9xy feet².

Answer:

9xy feet²

Step-by-step explanation:

Base = x yards

Altitude = 3y feet

Base = x yards *(3feet/1 yard)

Base = 3x feet

Area = (3x)* 3y

Area =9xy

So the answer is 9xy feet²

~ Dr. T.L Schulz