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The radius of a circle is increased by 12%, then area increased by? |
27.44% 25.4% 24.44% 25.44% |
25.44% |
Using the formula for net effect = x% + x% + \(\frac{x\;× \;x}{100}\) % ⇒ Net Effect = 12% + 12% + \(\frac{12\;×\;12}{100}\)% = 25.44% |
