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Find the surface area of the prism.

74 in.2

120 in.2

240 in.2

148 in.2

Find The Surface Area Of The Prism 74 In2 120 In2 240 In2 148 In2 class=

Sagot :

Answer:

148^2

Step-by-step explanation:

2(lb+bh+lh) = 2(4*5+5*6+4*6)=148 in^2

Check the picture below.

as you can see, we have 6 rectangles, so let's get the area of each and sum them up and that's the area of the prism.

[tex]\stackrel{\textit{\large Areas}}{\stackrel{\textit{left and right}}{2(6\cdot 5)}+\stackrel{\textit{front and back}}{2(4\cdot 6)}+\stackrel{\textit{top and bottom}}{2(4\cdot 5)}}\implies 60+48+40\implies 148[/tex]

View image jdoe0001