Answer:
Find the area by multiplying the base by the height. From the problem, the length (base) of the rectangle is 5 units. The height of the rectangle is

inches. Multiply to find the area.

The area of the rectangle is 17 1/2 units squared. The answer you provided is correct!
Answer:
D) triangle
Step-by-step explanation:
The attached image may be helpful to visualizing what the cross section looks like. It is a triangle.