Hey there Mellie
In order to solve for the area of the parallelogram, you need to use this equation:
S= absinθ
Basically what this is:
S = the area
"a" and "b" = The the base and side; which in your case are 6 and 8
θ= The known interior angle, 45°
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Plug all these variables into the equation and you will get this:
S = (6)(8)(sin 45°)
S= 33.94
[So the area of the parallelogram is 33.94 ]
+564 
