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Which of the following needs a proof ?...

Which of the following needs a proof ?

A

Theorems

B

Axiom

C

Definition

D

Postulate

Text Solution

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The correct Answer is:
A

The statement that were proved are called propositions or theorems.
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NCERT EXEMPLAR-INTRODUCTION TO EUCLID GEOMETRY-Introduction To Euclid Geometry
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  2. Pythagoras was a student of

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  3. Which of the following needs a proof ?

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  4. Euclid stated that all right angles are equal to each other in the fo...

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  5. Lines are parallel, if they do not intersect' is stated in the form of

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  6. Euclidean geometry is valid only for curved surfaces.

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  7. The boundaries of the solids are curves.

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  8. The edges of a surface are curves.

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  9. The things which are double of the same thing are equal to one another...

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  10. If a quantity B is a part of another quantity A, then A can be writte...

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  11. State True or False The statements that are proved are called axioms.

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  12. "For every line L and for every point P not lying on a given line L, t...

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  13. Two distinct intersecting lines cannot be parallel to the same line.

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  14. Attempt to prove Euclid 's fifth postulate using the other postulates ...

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