A. -1 Because you would divide 3x and -6 by 2.
Check the picture below.
notice that 146° is sitting on a flat-line, and thus it has a sibling linear angle, namely 34°.
now, recalling that a triangle has a sum of 180° for all interior angles, the missing one is 126°, and incidentally that is a corresponding angle with "c".
Answer:
132 cm²
Step-by-step explanation:
Your welcome
I'm assuming the question looks like this?

If so then the answer should be:

Hope this helps!