Find the 10

Find the value of t if 2tx+5y-6=0 and 5x-4y+8=0 are perpendicular, parallel, what angle does each of the lines make with the x-axis, find the angle between the lines?

Result

t1 =  2
A1 =  -38.66 °
A2 =  -128.66 °
t2 =  -3.125
B1 =  51.34 °
B2 =  -128.66 °

Solution:

Solution in text t1 =
Solution in text A1 =
Solution in text A2 =
Solution in text t2 =
Solution in text B1 =
Solution in text B2 =







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To solve this verbal math problem are needed these knowledge from mathematics:

For Basic calculations in analytic geometry is helpful line slope calculator. From coordinates of two points in the plane it calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of segment, intersections the coordinate axes etc. Two vectors given by its magnitudes and by included angle can be added by our vector sum calculator. Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

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