west dust
The diagonal sweep of the side surface of the cylinder is 4pi√5 cm, and the radius of the base of the cylinder is 2 cm. Find the height of the cylinder.
A) 9*pi cm;
B) 8*pi cm;
B) 9 cm;
D) 8 cm.
The answer is 8pi. I know what to do, but I don't know how to get 8pi
unborn quiverBOT
river panther
The diagonal sweep of the side surface of the cylinder is 4*pi*√5 cm, and the ra...
the length of the surface that you considered.
its 2 pi R
not just 2R
i think you should get the answer now
west dust
Why 2 pi R?
river panther
wut is the circumference of the base of a cylinder?