Calculate the surface area of this dollhouse—minus windows, doors, and the floor. (All opposite sides are identical.) Remember to show your work.

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are

b is the right answer

11) obtuse

13)right

15) acute