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What profession uses parallel and perpendicular lines?

A person might would use parallel and perpendicular lines in the construction profession. An architect may rely on the lines to construct a house and see how the house may be built.

Are these lines parallel?

are these lines parallel? Parallel lines have the same slope. If you turn both equations into the y = mx+b form (the first equation is already in this form) then you can compare the “m” values. If they are the same, and the sign (pos/neg) is the same and the values of “b” are different, then the lines are parallel.

Do parallel lines mean no solution?

Since parallel lines never cross, then there can be no intersection; that is, for a system of equations that graphs as parallel lines, there can be no solution. This is called an “inconsistent” system of equations, and it has no solution.

Why are lines parallel?

Lines are parallel if they are always the same distance apart (called “equidistant”), and will never meet.

How do you know if two lines are parallel in a triangle?

If a line parallel to one side of a triangle intersects the other two sides of the triangle, then the line divides these two sides proportionally.

Which Cannot be used to prove two lines parallel?

If two line are cut by a transversal so that a pair of vertical angles are congruent, then the lines are parallel. Since, vertical angles don’t prove the lines cut by a transversal are parallel.

Can you prove that lines P and Q are parallel?

is it possible to prove that lines p and q are parallel? If so, state the postulate or theorem you would use. If the lines are cut by a transversal so that (alternate interior, alternate exterior, corresponding) angles are congruent, then the lines are parallel.

How do you tell if a slope is horizontal or vertical?

Note that when a line has a positive slope it rises up left to right. Note that when a line has a negative slope it falls left to right. Note that when a line is horizontal the slope is 0. Note that when the line is vertical the slope is undefined.

What does a diagonal line look like?

A diagonal is a straight line connecting the opposite corners of a polygon through its vertex. To learn about diagonals, we must first know that: It (diagonal) is a line segment….Diagonal – Definition with Examples.

Shape Names Number of Vertices Number of Diagonals
Decagon 10 35

What is the example of diagonal lines?

The definition of diagonal is something with slanted lines or a line that connects one corner with the corner furthest away. An example of diagonal is a line going from the bottom left corner of a square to the top right corner.