问题
填空题
把正方形ABCD沿对角线AC折起,当A、B C、D四点为顶点的三棱锥体积最大时,直线BD与平面ABC所成的角的大小为
答案
45°
把正方形ABCD沿对角线AC折起,当A、B C、D四点为顶点的三棱锥体积最大时,直线BD与平面ABC所成的角的大小为
45°
An analyst does research about duration and gathers the following information about the price sensitivity of an option-free bond:
Price($) | Yield |
98.90 | 5.25% |
96.70 | 5.50% |
94.88 | 5.75% |
A. 4.2
B. 8.3
C. 16.6