Math, asked by bhupendrasen12346, 11 months ago

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Answered by namansingla
0

Answer:

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Answered by dhanalakshmis2524
1

Answer:

Step-by-step explanation:

a = 4cm                                                                cube

                                                                             a = 4cm

cubes when joined form cubiod                        

l =12cm,  b = 4cm , h = 4cm                                    TSA 0f 3 cubes =  6a² x3

TSA of cubiod = 2( lb + bh +hl)                                       =( 6x 16) x3

                         = 2 ( 48 + 16 + 48)                                  =   288cm²

                        = 2(112)

                       =  224cm²

LSA of cubiod  = 2h (l+b)                               LSA of 3 cubes  = 4a² x 3

                         = 2x4 x 16                                                         = 4 x 16 x3

                         =128cm²                                                          = 192cm²

No, surface area is not equal to the sum of the surface area of the separate cubes.

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