SAT Subject Test Mathematics Level 2

49 . B

Sketch  or  visualize   the situation:

To  get the volume  of  this    cylinder,   you need,   in  addition    to  the given   height, the radius  of  the

base.   You can construct   a   right   triangle    and use the Pythagorean theorem to  find    that

radius:

Now plug     and    h   =   10  into    the cylinder    volume  formula:

50 . C

Look    at  the figure: