A) 300%
B) 400%
C) 600%
D) 800%
Correct Answer: D
Solution :
Let sides are a, b, c. So, new sides are 3a, 3b, 3c. Original area \[=2l+2b\] So, new area \[=2(l+b)\] Increased area 9 K - K = 8K % = 800%.You need to login to perform this action.
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