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46 yds².

Step-by-step explanation:

Find the area of all surfaces & add them up:

(5 · 3) + (5 · 3) + (1 · 3) + (1 · 3) + (1 · 5) + (1 · 5) = 15 + 15 + 3 + 3 + 5 + 5

= 30 + 6 + 10 = 36 + 10 = 46 square

46 yd^2

Step-by-step explanation:

The surface area is

SA = 2 ( lw + wh + hl ) where h is height , l is length and w is width

SA = 2( 1*5 + 5*3 + 3*1)

      = 2 ( 5+15+3)

      = 2( 23)

    = 46 yd^2