A rectangular pyramid is sliced so the cross section is perpendicular to its base but does not pass through its vertex.
What is the shape of the cross section?
rectangle
square
triangle
trapezoid

if it's a rectangular pyramid a rectangle

Step-by-step explanation:

the cross sectional area is the shape at the bottom

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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