Question

radius of a circle is increased by 5 percent, then what is the increase percentage in area of the circle?​

Answer 1

Answer:

hey mate your answer is...

Step-by-step explanation:

$radius \: is \: increased \: by = 5 \div 100 = 50. \\ circle \: area \: = \pi \: r {}^{2} \\ = \frac{22}{7} \times (50) {}^{2} \\ = \frac{22}{7} \times 2500 \\ = 22 \times 357.1 \\ = 77\% \: increased.............. \\ hope \: its \: helps.....$