Advertisements
Advertisements
प्रश्न
Give a definition of the following term. Are there other terms that need to be defined first? What are they, and how might you define them?
perpendicular lines
Advertisements
उत्तर
Yes, we need to understand terms like point, line, ray, angle, plane, circle, and quadrilateral before defining the required terms.
Two lines in the same plane, p and q, are considered perpendicular if they make a right angle and are written as p ⊥ q.
APPEARS IN
संबंधित प्रश्न
In how many points two distinct lines can intersect?
How many planes can be made to pass through a line and a point not on the line?
How many planes can be made to pass through three distinct points?
The number of interwoven isosceles triangles in Sriyantra (in the Atharvaveda) is ______.
Greek’s emphasised on ______.
The statements that are proved are called axioms.
Attempts to prove Euclid’s fifth postulate using the other postulates and axioms led to the discovery of several other geometries.
Read the following statement :
An equilateral triangle is a polygon made up of three line segments out of which two line segments are equal to the third one and all its angles are 60° each.
Define the terms used in this definition which you feel necessary. Are there any undefined terms in this? Can you justify that all sides and all angles are equal in a equilateral triangle.
Read the following axioms:
- Things which are equal to the same thing are equal to one another.
- If equals are added to equals, the wholes are equal.
- Things which are double of the same thing are equal to one another.
Check whether the given system of axioms is consistent or inconsistent.
The following statement is true or false? Give reason for your answer.
In the following figure, if AB = PQ and PQ = XY, then AB = XY.
