Three metal cubes with edges 6cm 8cm and 10cm respectively are melted together formed into a new single cube find the volume and surface area of the cube.
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1
Answer:
volume remains same so
volume of new cube = v1+v2+v3
= 6^3+8^3+10^3
=216+512+1000
=1728
now volume of new cube = a^3= 1728
edge of new cube = a= cuberoot of 1728
a= 12
therefore surface area of new cube = 6 a^2
=6×12^2
=6×12×12
=864 square fgy gyd gdge
Answered by
0
Answer:
sum all the volume of the cubes
you'll get the volume of the whole cube
Apply TSA of a cube formula
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