Question

what is the total surface area of a cuboid whose dimensions are 3cm, 5cm and 8cm

Answer 1

Step-by-step explanation:

total surface area=

$2(length \: \times \: breadth \: + breadth \: \times \: height \: + height \: \times \: length)$

2(3*5+5*8+8*3)= 2(15+40+24)= 2(79)

158cm2

Answer 2

Answer:158cm sq.

Step-by-step explanation: l=3cm

b=5cm

h=8cm

TSA=2(lb+bh+hl)

2(3*5+5*8+8*3)

2(15+40+24)

2*79

158cm sq.