Question

the length, breadth and height of a cuboid are 15cm, 10cm and 20 cm respectively find it's surface area​

Answer 1

Answer:

250cm

Step-by-step explanation:

length=15

breadth=10

height=20cm

area of trapezium=1/2(a+b)h

1/2(15+10)20

1/2(25)20now cutting

25×10

=250cm Answer

Hope it helps.

Answer 2

Answer:

250 cm

Step-by-step explanation:

length is = 15

breath= 10

height= 20 CM

area of length=1/2 (a+b) height

1/2 (15+10)20

1/2(25) 20 now cut

25×10.

=250 centimetre