EASY
9th CBSE
IMPORTANT
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The boundaries of the solids are curves.

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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 3
The edges of a surface are curves.
EASY
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.

EASY
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.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 8
Two distinct intersecting lines cannot be parallel to the same line.
MEDIUM
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 9
Attempts to prove Euclid’s fifth postulate using the other postulates and axioms led to the discovery of several other geometries.
MEDIUM
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 5 - Introduction to Euclid's Geometry>Exercise>Q 1

Two salesmen make equal sales during the month of August. In September, each salesman doubles his sale of the month of August. Compare their sales in September.