Practicing Success
Practicing Success
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If radius of a circle is increased by 15%, then the increase in its area is: |
33% 40.25% 30% 32.25% |
32.25% |
Total increased % in area = r% + r% + \(\frac{r × r}{100}\) % = 15% + 15% + \(\frac{15× 15}{100}\)% =30% + 2.25% ⇒ 32.25% |
