[問題]GWD GMAT2 Q7

[meredo]

Q7:
Square S is inscribed in circle T. If the perimeter of S is 24, what is the circumference of T?

A. 6拍
B. 12拍
C. 3根號2拍 
D. 6根號2拍
E. 12根號2拍

已經搜尋過文章,求助各位數學牛人大大~謝謝!

[pamelatsai]

正方形內接在圓裡面~~周長24表示邊長為6~
因為是內接~所以正方形的對角線=圓的直徑~
圓直徑6根號2~~
可得圓周長6根號2拍~~