Answer:
376
Step-by-step explanation:
This is a subtraction problem.
1,213 - 837 =
1,213
- 837
-----------
376
Answer: 376
The sum of the angles of 4-sided shapes is 360°
To find the missing angle, you can do this:
x + 92° + 47° + 82° = 360° Add 92, 47, and 82 together
x + 221° = 360° Subtract 221 on both sides to get "x" by itself
x + 221° - 221° = 360° - 221°
x = 139° Your answer is the 4th option
The rules<span> for negative </span>rotation<span> are as follows: -90 degrees, the </span>rule<span> is (x, y) --------> (y, -x) -180 degrees, the </span>rule<span> is (x, y) --------> (-x, -y) -270 degrees, the </span>rule<span> is (x, y) --------> (-y, x)</span>