Respuesta :
To prove that given is perpendicular we have show that one make right angle, i.e. 90 degree.
What does perpendicular mean?
A perpendicular is a straight line in mathematics that forms a right angle (90 degrees) with that other line. In other words, two lines become perpendicular to one another if they connect at a right angle.
For proof of perpendicular-
Theorm 1 : If two lines intersect to form a pair of lines with a "congruent angle," then the lines are perpendicular to one another. Angles that are equivalent to one another are known as congruent angles.
Theorm 2 : Four right angles will be formed if two perpendicular lines cross.
Theorm 3 : The "adjacent acute angles" are complimentary if two of their sides are perpendicular. As you presumably remember, acute angles are angles that are fewer than 90 degrees, whereas adjacent angles are angles that are next to one another.
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