Aformula for finding sa, the surface area of a rectangular prism, is sa = 2(ab + ac + bc), where a, b, and c represent the lengths of the edges of the prism. what is the surface area of this prism if a = 12 inches, b = 6 inches, and c = 4 inches?

144

Step-by-step explanation:

We simply need to input these values into the equation.

S = (ab + ac + bc)

Where: a = 12 b = 6 and c = 4

S = ( 12 × 6 + 12 × 4 + 6 × 4)

S = 72 + 48 + 24 = 144 inch^2

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step-by-step explanation:

ez do it yourself lazy

step-by-step explanation:

given that ab is divided into equal parts as

ac, cd, de, ef, fg, gh, hi, ib.

from this we find that f is the midpoint of ab.

so using mid point formula we find

f = (3,7)

similarly considering fb, we get

h = mid point of fb = ((6,6) and g, mid point of fh is

g = (9/2, 13/2)

i is mid point of hb

so i =(15/2,11/2)