Question

find the surface area of the cuboid whose dimension are given below l =5 1/2cm b=4cm h=10 1/2 cm​

Answer 1

Step-by-step explanation:

total surface area of cuboid 2(lb+bh+hl)

2(11/2*4+4*10+1/2*11/2)

2(22+40+11/4)

2(62+11/4)

2*248+11/4

2*259/4

259/2

129.5 cm³ Answer