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9th CBSE
IMPORTANT
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Euclid stated that all right angles are equal to each other in the form of

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Important Questions on Introduction to Euclid's Geometry

EASY
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 22
“Lines are parallel if they do not intersect” is stated in the form of
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 1
Euclidean geometry is valid only for curved surfaces.
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9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 2
The boundaries of the solids are curves.
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9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 3
The edges of a surface are curves.
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9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 4
The things which are double of the same thing are equal to one another.
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9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 5
If a quantity B is a part of another quantity A, then A can be written as the sum of B and some third quantity C.
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9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 6

The statements that are proved are called axioms.

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9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 7
“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.