Question

What is the surface area of the figure?

Composite figure composed of a two rectangular prisms right aligned and stacked on each other. The larger rectangular prism has width of 10 feet, length of 4 feet, and height of 5 feet. The smaller rectangular prism has width of 5 feet, length of 4 feet, and height of 5 feet.



360 cm2


180 cm2


155 cm2


310 cm2

Answer 1

I got 300, though it's not in the answer choices

Explanation:

Separate them into two separate rectangles

5×10×4= 200cm

5×5×4= 100cm

=300cm^2

Answer 2

The answer is 180cm2