Answer:
Option D is correct
The area of the parallelogram is, 270 square inches.
Step-by-step explanation:
Area of parallelogram(A) is given by:
......[1]
where,
b is the base and h is the height of the parallelogram respectively.
As per the statement:
Zia has a slab of concrete in the shape of a parallelogram.
From the given diagram:
Base of the parallelogram(b) = 9+9 = 18 inches
height of the parallelogram(h) = 15 inches
Substitute the given values in [1] we have;
therefore, the area of the parallelogram is, 270 square inches.