Question

please answer questions 8 and 9 fast​

Answer 1

Answer:

8. 45÷2.5

=18 rings..........

Answer 2

Step-by-step explanation:

$8) \: no.of \: rings \: can \: be \: made = \frac{45}{2.5} \\ = 18$

$9)area \: of \: square = side \times side \\ = 10.42 \times 10.42 \\ = 108.5764 {cm}^{2} \\ since \: area \: of \: square \: is \: divided \\ into \: 100 \: equal \: parts. \\ therefore \: area \: of \: each \: part = \frac{108.5764}{100} \\ = 1.08 {cm}^{2}$