What is the surface area of the rectangle prism

310 in²

Step-by-step explanation:

The general formula for the surface area of a prism is:

SA = 2ab + 2ac + 2bc, where 'a', 'b' and 'c' are the measures of the sides.  In this case the lengths are 4 in, 5 in and 15 in.

a = 4 in

b = 5 in

c = 15 in

SA = 2(4*5) + 2(4*15) + 2(5*15)

SA = 40 + 120 + 150 = 310 in²

the answer is b.)

< 1=< 2

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