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A line is perpendicular to another if it meets or crosses it at right angles (90°).
Perpendicular means "at right angles". A line meeting another at a right angle, or 90° is said to be perpendicular to it. In the figure above, the line AB is perpendicular to the line DF. If they met at some other angle we would say that AB meets DF 'obliquely'. Move the point A around and create both situations. Move the mouse carefully to get AB exactly perpendicular to DF....
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What are perpandiculer lines?
First of all, it is spelled perpindicular, not perpandiculer. Secondly, perpindicular lines are two lies that cross forming right angles, or 90 degree angles. For example, the two lines forming a plus sign are perpindicular.
If two lines are not perpindicular then they are not parallel?
Not necessarily. Consider two lines that intersect at some angle other than 90 degrees. Then the angle of intersection is not 90 degrees means they are not perpendicular. But, because they intersect, neither are they parallel.
Equations for hypotenuse?
this 'equation' which solves what the hypotenuse of a triangle is, is called the Pythagoras Theorm ( DISCLAIMER: thisonly work for right angled triangles)it works like this: lets say the horozontial length of the triangle is 6cm and the perpindicular height is 8cm. Because the square of the hypotenus is equal to the sum of the square of the other two sides we can work out the hypotenuse like this bas eon the facts that one side is 8cm long and the other 6cm. Lets call the hypotenuse h 8cm2 + 6cm2 = h2 64 + 36 = h2 100 = h2 square root of 100 = h 10cm = h I hope that this solves your question
