Angle and slope
Find the angle between the x-axis and the line joining the points (3, -1) and (4,-2) .
Correct answer:
Tips for related online calculators
The line slope calculator is helpful for basic calculations in analytic geometry. The coordinates of two points in the plane calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of the segment, intersections of the coordinate axes, etc.
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
- geometry
- analytic geometry
- line
- line segment
- planimetrics
- triangle
- goniometry and trigonometry
- tangent
- arctangent
Units of physical quantities:
Grade of the word problem:
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