25 cubic centimeters....
Hope this helps! all you had to do it multipley <span />
Answer: 60.5
Step-by-step explanation:
The forecast for the next period using the simple exponential smoothing method is given by:
, where D= actual demand for the recent period,
smoothing factor, F= forecast for the recent period .
Given: D= 64,
, F= 59
The forecast for the next period = 

Hence, the forecast for the next period = 60.5
If two angles are equal then the other angles will also be equal
See the graph in the attached image.