Question

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Answer 1

Area of Left Wall:

A = LW

A = 10*9

A = 90

Area of Right Wall = Area of Left Wall = 90 square feet

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Area of floor

A = LW

A = 13*10

A = 130

Area of ceiling = Area of floor = 130 square feet

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Area of front wall

A = LW

A = 13*9

A = 117

Area of back wall = Area of front wall = 117 square feet


======================================

Now add up the individual surface areas


(Area of left wall) + ((Area of right wall)
(Area of floor) + ((Area of ceiling)
+ (Area of front wall) + ((Area of back wall)
-----------------------------------


90 + 90
130+130
+ 117+117
-----------


180
260
+ 234
------------
674


So the total surface area of the room is 674 square feet

Answer 2

OP removed question or what?