Question

Find the total surface area of cuboid

Length = 12 cm, Breadth = 20cm, Height= 10cm​

Answer 1

Answer:

I don't know

this answer in 9th maths textbook

Answer 2

Total Surface Area of Cuboid = 2 ( lb + bh + lh)

.'. T.S.A = 2 ( 12 × 20 + 20 × 10 + 12 × 10)

.'. T.S.A = 2 (240 +200 + 120)

.'. T.S.A = 2 × 560

.'. T.S.A = 1,120

Total Surface Area of Cuboid is 1,120