[問題] GWD數學
A thin piece of wire 40 meters long is cut into two pieces.
One piece is used to form a circle with radius r, and the other
is used to form a square. No wire is left over. Which of the
following represents the total area, in square meters, of the
circular and the square regions in terms of r?
Ans : πr2 + ( 10 - 1/2πr )2
↑ ↑
平方 平方
這題要怎麼解？
題目我有點不了解意思
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 220.137.98.140
討論串 (同標題文章)
GMAT 近期熱門文章
PTT職涯區 即時熱門文章
