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Subjects
Mathematics CBSE
Class 9
Introduction to Euclid's Geometry
Textbook Questions
11.
Exemplar-Example Problems I
Exercise condition:
3
m.
1
. Euclid’s second axiom (as per order given in the Textbook for Class IX) is
If equals be added to equals, the wholes are equal.
The things which are equal to the same thing are equal to one another.
If equals be subtracted from equals, the remainders are equals.
Things which coincide with one another are equal to one another.
2
. Euclid’s fifth postulate is
If a straight line falling on two straight lines makes the interior angles on the same side of it taken together less than two right angles, then the two straight lines if produced indefinitely, meet on that side on which the sum of angles is less than two right angles.
All right angles are equal to one another.
A circle may be described with any centre and any radius.
The whole is greater than the part.
3
. The things which are double of the same thing are
halves of the same thing
equal
double of the same thing
unequal
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