I feel really bad for you. This looks like a death problem
Answer:


Step-by-step explanation:
The sum of the interior angles of a triangle is 180 degrees.




Use the exterior angles theorem to find y.
The exterior angle y is the sum of the two remote interior angles:
The sum of angles on a straight line is 180 degrees.



Answer:
212 m²
Step-by-step explanation:
4 x 4 x 5 = 80
6+6+50+30+40