a straight line = 180 degrees
so the missing angle is 180 - 130 = 50 degrees
This is the solution to your question.
Answer:
It's a - (minus) sign.
Step-by-step explanation:
This is because √9 is 3, and therefore 6-3=3.
Hope I helped :)
(-2,3) and (10,3)
Midpoints are quite easy once you know the rule. The coordinates of the midpoint are just the average of the coordinates of the two points...
The midpoint of this lines is:
((-2+10)/2, (3+3)/2)
(8/2, 6/2)
(4, 3)