Math, asked by srajeswari2050, 1 month ago

a class room is length 7cm, breadth 6cm and the height is 3cm find the surface area of the four walls

Answers

Answered by suhanisharma0101

1

Answer:

78 cm sq.

Step-by-step explanation:

Curved Surface Area of cuboid= 2(l+b)h

= 2(7+6)×3

=2×13×3=78 cm sq.

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