Math, asked by jha20111, 1 year ago

Four cubes each of 12cm are joined together.find the surface area of the cuboid so formed . Is the surface area equal to the surface areas of the four separated cubes?

Answers

Answered by Aryandarad

surface are of cuboid = 2 (lb + bh + lh)
=2( (12 ×48) + (12 ×12)+ (12×48) )
$48 \times 12 = 576 \\ 12 \times 12 = 144 \\ 48 \times 12 = 576 \\ 576 + 576 + 144 = 1296 \\ 1296 \times 2 = 2592$
= 2592 Sq. cm
Hope that it helps

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jha20111: Thanks

jha20111: It's a write answer

jha20111: A steel pipe is 35cm long and it's external diameter is 10 cm . If the thickness of the pipe is 2cm and steel weighs 6 g per cm cube find the weight of the pipe? Please solve it also

Aryandarad: post it as a ques I will solve

Answered by maheshburman11

Step-by-step explanation:

2592 sq .cm

explaination

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