A. 9 %
B. 30 %
C. 60 %
D. 69 %
Explanation:
Let, side = 100cm.
Area = (100 × 100) cm2 = 10000 cm2
New area = (130 × 130) cm2 = 16900 cm2
Increase in area = (6900/10000 ×100) % = 69 %
Correct Answer: 9 % ✔
Last Updated: February 07, 2020
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