4. a) Scrieti formula ce exprima dependenta lungimii cercului de raza acestuia.
b) Este aceasta dependență o proportio-
nalitate directă? Argumentați răspunsul​

2 is the final ! : )

could

step-by-step explanation:

u send me a picture of ur work

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c