7.51879699248
V' is (-1,-4) so C
well its better if you know A- but if you dont then divide both sides by 4- equation would = a/4=w
¿Cómo estás, estás familiarizado con este sitio?
try pushing 2nd, acos, then type in (-1.85)
well, a radius is only part of the full circle, but lets say have a semicircle and you know the length of the straight edge, you can divide that by 2 and get the radius of the full circle.
heyy
0/0=0
