Question

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Answer 1

Answer:

136 m²

Step-by-step explanation:

given -

dimensions of room

l = 10m

b = 7 m

h = 4m

to find -

the area he will paint (four walls)

solution -

To find the area he will paint = four walls of the room =

lateral surface area of room = lateral surface area of cuboid =

2×(l+b)h

= 2×(10+7)×4 m²

= 2×17×4 m²

= 136 m²

Hence he will paint 136 m².

hope it helps.

Answer 2

Answer:

136 m^2

Step-by-step explanation:

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hope it helps

plz see the solution from the above pic