Answer:
Hello the answer is
diameter = 49cm;
radius = diameter/2 = 24.5cm;
circumference = 2πr ≈ 153.94 = 154cm
1 revolution = 154cm
50 revolution = 7700cm = 77m
I hope I am correct. also please mark brainliest
Step-by-step explanation:
63 i believe correct me if i’m wrong somebody. Im possibly WAY off
The circle is closed when it is = and open when it is not = to the number that is being circled.

Multiply the numerator and denominator by
:

Since
, we have
. So substituting the values of <em>a</em>, <em>b</em>, and <em>c</em> gives us
