Answer: Options 2, 4 and 5
Step-by-step explanation:
E2020 Answers
<u>1 is a rational number</u> because 1 can go into 1 when dividing. <u>Irrational numbers are mostly decimals. </u>
I'm not sure but I think it's 5
2/5/9 solved will be 0.4 repeating as a decimal, & 4/9 as a fraction
Arc length = Ф/360 * 2πr
= 30/360 * 2*3.14*10
= 1/12 * 62.8
= 5.23
In short, Your Answer would be 5.23 cm
Hope this helps!
