What is the best estimate of the area of the figure if each square has a side length of 1 mm? On a coordinate plane, a figure contains 39 units inside of the shape.
27 square millimeters
36 square millimeters
39 square millimeters
46 square millimeters

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

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