Question

find the total surface area of the cuboid with l=4m B=3m H=1.5m

Answer 1

we know the formula

2(lb+bh+hl)

then

t.s.a =22.5m^2

Answer 2

Here is your answer ⤵⤵⤵

TSA of Cuboid = 2(lb+bh+hl)

= 2(4×3+3×1.5+1.5×4)

= 2(12+4.5+6)

= 2×22.5

= 45 m²

HOPE IT HELPS YOU ☺☺ !!!