Question

#1. Find the Total Surface Area of a cuboid whose dimensions are: length = 20 cm, breadth = 10 cm and height = 5 cm.​

Answer 1

Answer:

700 cm

Step-by-step explanation:

length - 20cm

breadth - 10cm

height - 5cm

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

= 2( 20×10+10×5+20×5)

=2(200+50+100)

=2×350

=700 cm

Answer 2

Answer:

700 cm

Step-by-step explanation:

Follow the steps given in the attachment and you will get you stated answer...

i suggest to learn formulas as it will make the process faster.