Answer:644.355
i tried ok
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

Required
An equivalent expression
The above is an illustration of the sine formula which states:

In this case:

So:


Hence, an equivalent expression is: 
Answer:
7
Step-by-step explanation:
Area for a square is s² where 's' is a side (all sides have the same length)
First , you have to find the area of the face and times it by depth of the shape