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The Brainliest Answer!
As we know that a cuboid is is formed by the joining of rectangles
all its are l, b and h and there are 6 faces
area of each rectangle is lb, bh, hl, bl, hb, lh
sum of all the areas = lb+bh+bl+hb+lh+hl
∴TSA = 2(lb+hb+hl)

2 5 2
got it THINKER
mark it as brainliest
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