if each edge of a cube is increased by 50% . Find the percentage increase in the surface area
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Answered by
2
Answer:125%
Step-by-step explanation:
Let the edge = a cm
So increase by 50 % = a + a/2 = 3a/2
Total surface Area of original cube = 6a2
TSA of new cube = 6(3a2)2 =6(9a24)= 13.5a2
Increase in area = 13.5a2−6a2 =7.5a2
7.5a2 Increase % =7.5a26a2×100 = 125%
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AnswEr:
Let the length of the each edge of the cube be l units. Then,
- = TSA = 6l²
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• Length of each edge when each edge is increased by 50% .
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=
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