Question

l = 15 cm , b = 2.5 cm , h = 8 cm find surface area of cuboid

Answer 1

Answer:

355cm^2

Step-by-step explanation:

length= 15cm

breadth= 2.5cm

height= 8cm

Surface area of cuboid (Total) = 2*(lb+bh+hl)

TSA= 2*(15×2.5 + 2.5×8 + 8×15)cm^2

TSA= 2*(37.5 + 20 + 120)cm^2

TSA= 2(177.5)cm^2

TSA=355 cm^2

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Answer 2

Answer:

The surface area of cubiod = 355

Step-by-step explanation:

Surface area of cubiod = 2(lw+wh+lh)

=2(15 × 2.5 + 2.5 × 8 + 15× 8

=2(37.5 + 20 + 120)

= 2 x 177.5

= 355 cm^2