Answer:
false
Step-by-step explanation:
Answer:
and 
Step-by-step explanation:
Recall that
is a value of the function cosine for the special angles:
and
, then:

Answer:
i dont either
Step-by-step explanation:
If these are all the side lengths then just multiply all of them together
Answer) 326,400cm^5
The area of a Square is 144 because 12x12 is 144 and if both sides are 12 then that equals 144.
Hope this helps!