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3 years ago

What is the surface area of the figure?

Mathematics

2 answers:

Nitella [24]3 years ago

6 0

Answer:

90 ft

Step-by-step explanation:

Surface area = 2(6 × 3 + 3 × 3 + 3 × 6)

= 2(18 + 9 + 18)

= 2 × 45 = 90 ft

Zielflug [23.3K]3 years ago

5 0

Answer:

90 ft

Step-by-step explanation:

Times the length by the width of one side: 6 x 3= 18

Times 18 by 4 to get the surface area of the 4 rectangular sides: 18 x 4= 72

Times 3 by 3 to get the bottoms surface area: 9

Times 9 by 2 to get both the top and bottoms surface area: 18

Add 72+18 to get the total surface area: 90 ft

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