I totally blanked and forgot how to do this. Can anyone help

Answer:
The answer is 82 unit total
Step-by-step explanation:
You can take the entire shape and break it down to normal shapes such as squares and triangles. Then you can use the formula of these shapes to find the area. Last you add all the unit together and that's the answer
Answer:
method 1: use the equation of distance between 2 points
method 2: find angles then find sides (using sin cos tan laws)