Three cubes of metal with edges 5 cm ,4 cm,3 cm respectively are melted to form a single cube.Find the lateral surface area of the new cube formed.
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Answers
Answered by
34
6*25
6*16
6*9=
150+96+54
300
6lsq=300
lsq=300/6
l=50sq root
6*16
6*9=
150+96+54
300
6lsq=300
lsq=300/6
l=50sq root
JMK1:
how 6*25?
I did not understand anything.. :(
Your answer is wrong..
no
6lsquare
Formula
Pagal ha Kya Tara answer galat ha
Answered by
193
cubes with edge 5,3,4
volume of eah cube will be
=(5×5×5),(4×4×4), (3×3×3)
=125,64,27
total volume will be 125+64+27=216
this volume will be of new formed cube
side of cube =cube root of volume
= 6
lateral surface area of cube is 4×(side×side)
=4×(6×6) =4×36 =144
volume of eah cube will be
=(5×5×5),(4×4×4), (3×3×3)
=125,64,27
total volume will be 125+64+27=216
this volume will be of new formed cube
side of cube =cube root of volume
= 6
lateral surface area of cube is 4×(side×side)
=4×(6×6) =4×36 =144
thankyou very very much...i have test tomorrow.Thanks again
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