Angle AOC measures 80 + 60 = 140, choice (H).
D
This question tests your knowledge of two popular geometry concepts; make sure they are committed to memory by Test Day.
The three angles of a triangle always sum to 180 degrees, as do the angles that make up a straight line.
From Figure I:
Then plug a into the triangle in Figure II:
43.
F
If a point is on the line then it will work in the equation of the line.
The slope-intercept form of the equation of a line is y = mx + b, where m is the slope of the line and b is the y-intercept.
Since m = −2 and the point (4, −3) is on the line:
44.
