Question

the error in measurement of radius of circle is 1.5 %find out error in measurement of of area of circle​

Answer 1

Answer:

3%

Explanation:

$a = \pi {r}^{2} \\ \\ \frac{da}{a} \times 100 = 2 \times \frac{dr}{r} \times 100 \\ = 2 \times 1.5 \\ \\ = 3$