Answer:

Step-by-step explanation:




hope this helps
The transitive property is a chain rule for the variables a, b and c.
It states that if a is equal to b and b is equal to c then a is equal to c.
If a = b and b = c then a = c.
To find the height of the parallelogram you would divide 6 from the area, 27, to get the answer 4.5,
So h=4.5
Hello
cos ( x + pi/2) =cos(x)cos(pi/2)-sin(x) sin(pi/2)
= cos(x)×0-sin(x) ×1
cos ( x + pi/2) = - sin(x)