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Help pls trying to find the surface area

Help pls trying to find the surface area-example-1
User Iiro
by
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1 Answer

2 votes

7*3 = 21

21*3 = 63

2.6*3/2 = 3.9

3.9*2 = 7.8

63 + 7.8 = 70.8 inches

User Surendra Kumar
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