ACT真題每日一練9.24

2015/09/24 瀏覽次數:5 收藏
分享到:

  Math Question for Thursday, September 24th, 2015

  In the standard (x,y) coordinate plane, the graph of (x – 2)2 + (y + 4)2 = 9 is a circle.

  What is the area enclosed by this circle, expressed in square coordinate units?