20) On increasing each side of a square by 50%,
the ratio of the area of new formed square
and the former square will be
(A) 18:2
(C) 9:5
(D) 9:7
(1) None of these
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pls mark it as brainlest answer
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Answer: none of these
Step-by-step explanation: on increasing each side by 50% ,side a becomes 3a/2.
new area =9a^2/4
original area = a^2
ratio =9:4
pls mark this answer as the brainiest answer
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