how will the surface area of cube change if the length of its edge is: doubled
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Answer:
the surface are will be increased by four times
Step-by-step explanation:
let us assume the length of edge of cube 1 unit
therefore,
surface area of one side is 1 unit sq
total surface are will be 6 unit sq
when the edge is double
length of edge = 2 unit sq
therefore,
surface area of one side is 4 unit sq
total surface area is 24 unit sq
comparison
total surface area before : total surface area after doubling
= 6:24
= 1:4
therefore it is increased by four times
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