The radius of a circle is increased by 40%, then area increased by?
Answer & explanation
Correct answer: option 2
Using the formula for net effect = x% + x% + \(\frac{x\;× \;x}{100}\) %
⇒ Net Effect = 40% + 40% + \(\frac{40\;×\;40}{100}\)% = 96%
The radius of a circle is increased by 40%, then area increased by?
Correct answer: option 2
Using the formula for net effect = x% + x% + \(\frac{x\;× \;x}{100}\) %
⇒ Net Effect = 40% + 40% + \(\frac{40\;×\;40}{100}\)% = 96%