Question

if the edge of a cube is increased by 50%, then the percentage increase in its surface area is​

Answer 1

Answer:

50%

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

125%

Answer: After 50% increase, each edge of the cube becomes 150/100 of the original. Thus, the surface area of the cube becomes (150/100)^2 = 225/100 of the original. Hence, increase in perecentage of surface area = (225-100) = 125% .