Question

Total surface area of cuboid where length 3 centimetre breadth 6cm and height 5 cm

Answer 1

Answer:

126cm^2

Step-by-step explanation:

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

=2(3×6+6×5+5×3)

=2(18+30+15)

=2(63)

=126cm^2

Answer 2

Step-by-step explanation:

$l = 3cm$

$b = 6cm$

$h = 5cm$

$tsa = 2(lb + bh + hl)$

$2(3 \times 6) + (6 \times 5) + (3 \times 5)cm {}^{2}$

$2 \times (18+ 30 + 15) {cm}^{2}$

$2 \times 63 {cm}^{2}$

$126 {cm}^{2}$

Hope this helps you