which of these story problems describes the sum 19 + (-12)? check all that apply. show your work to justify your answer.
1
2. is the right answer
3
I can not see the trapezoid
Answer:
Erm. i would disagree
Step-by-step explanation:
Because they don't look the same or anything like that.
A complement is angle that can be added to another to equal 90 degrees.
So two times the same number would equal 90.
90 / 2 = 45
The angle that is its own complement is 45 degrees.