Answer:
its f
Step-by-step explanation:
I believe it’s. D it seems most reasonable
2-4=2
(-2)+4=2
2+4=6
Why is this a question
Answer:
the line containing them lies in the plane.
Step-by-step explanation:
If two planes intersect, then their intersection is a line.
Answer:
<em>102°</em>
Step-by-step explanation:
(3x - 12)° + (2x + 2)° = 180°
5x - 10 = 180 ⇒ x = 38
m∠A = (3x - 12)°
<em>m∠A</em> = (3×38 - 12)° = <em>102°</em>