Answer:

Step-by-step explanation:
#We use the base diagonal and the height diagonal to calculate the beam's height:

#The volume of the beam can then be calculated as:

Hence, the beam's volume is 
Answer:
sorry but it is not clear pleas take a more clear pic
Step-by-step explanation:
Answer:
dang I have no idea
Step-by-step explanation:
I don't have one ♂️