Question

find the total surface area of whose length is 20m breath 15m and hieght is 10m​

Answer 1

Answer:

StepTSA os a cuboid is 2(lw+wh+hl)

so, putting in the values of l, w and h in their place, we get

2(20m×15m+15m×12m+12m×20m)

2(300m+180m+240m)

2(720)m²

1440m²

so, the answer is b.... 1440m²-by-step explanation:

Answer 2

Step-by-step explanation:

surface area = l×b×h

=20m×15m×10m

=3000m