English

Euclid stated that all right angles are equal to each other in the form of ______. - Mathematics

Advertisements
Advertisements

Question

Euclid stated that all right angles are equal to each other in the form of ______.

Options

  • an axiom

  • a definition

  • a postulate

  • a proof

MCQ
Fill in the Blanks
Advertisements

Solution

Euclid stated that all right angles are equal to each other in the form of a postulate.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Introduction To Euclid's Geometry - Exercise 5.1 [Page 47]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 9
Chapter 5 Introduction To Euclid's Geometry
Exercise 5.1 | Q 21. | Page 47

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

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?

square


Consider two ‘postulates’ given below:-

  1. Given any two distinct points A and B, there exists a third point C which is in between A and B.
  2. There exist at least three points that are not on the same line.

Do these postulates contain any undefined terms? Are these postulates consistent? Do they follow from Euclid’s postulates? Explain.


If a point C lies between two points A and B such that AC = BC, then prove that AC = `1/2` AB. Explain by drawing the figure.


The boundaries of the solids are curves.


“For every line l and for every point P not lying on a given line l, there exists a unique line m passing through P and parallel to l ” is known as Playfair’s axiom.


Attempts to prove Euclid’s fifth postulate using the other postulates and axioms led to the discovery of several other geometries.


Solve the following question using appropriate Euclid’s axiom:

It is known that x + y = 10 and that x = z. Show that z + y = 10?


Solve the following question using appropriate Euclid’s axiom:

In the following figure, we have AB = BC, BX = BY. Show that AX = CY.


Solve the following question using appropriate Euclid’s axiom:

In the following figure, we have ∠ABC = ∠ACB, ∠3 = ∠4. Show that ∠1 = ∠2.


The following statement is true or false? Give reason for your answer.

If two circles are equal, then their radii are equal.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×