A rectangular sheet of metal has a length of 42cm and a breath of 100cm. it is folded to form a cylinder with the breath becoming the height. A) calculate the radius of the cylinder formed.
B) volume of the cylinder.​

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32