Answer:
69cm ^2
Step-by-step explanation:
Answer:
V= 432mm^3
Step-by-step explanation:
volume of a rectangular prism is width times length times height.
or V= w x l x h
so the volume is all three numbers multiplied together. This gets 432.
the units are mms, and we are finding the volume of a 3 dimensional object. so it is always going to be raised to the power of three.
B = 2a/ch that's your answer