# Assignments For Class 9 Mathematics Euclids Geometry

Assignments for Class 9 Mathematics Euclids Geometry have been developed for Standard 9 students based on the latest syllabus and textbooks applicable in CBSE, NCERT and KVS schools. Parents and students can download the full collection of class assignments for class 9 Mathematics Euclids Geometry from our website as we have provided all topic wise assignments free in PDF format which can be downloaded easily. Students are recommended to do these assignments daily by taking printouts and going through the questions and answers for Grade 9 Mathematics Euclids Geometry. You should try to do these test assignments on a daily basis so that you are able to understand the concepts and details of each chapter in your Mathematics Euclids Geometry book and get good marks in class 9 exams.

#### Key Concepts for Class 9 Mathematics Euclids Geometry

(Introduction to Euclid’s Geometry)

The Greeks developed geometry is a systematic manner Euclid (300 B.C.) a greek mathematician, father of geometry introduced the method of proving mathematical results by using deductive logical reasoning and the previously proved result. The Geometry of plane figure is know as “Euclidean Geometry”.

Axioms :

The basic facts which are taken for granted without proof are called axioms some Euclid’s axioms are
(i) Things which are equal to the same thing are equal to one another. i.e. a = b, b = c ⇒ a = c
(ii) If equals are added to equals, the wholes are equal i.e. a = b ⇒ a + c = b + c
(iii) If equals are subtracted from equals, the remainders are equal i.e. a = b ⇒ a – c = b – c
(iv) Things which coincide with one another are equal to one another.
(v) The whole is greater than the part.

Axioms are the general statements, postulates are the axioms relating to a particular field.

Educlid’s five postulates are.
(i) A straight line may be drawn from any one point to any other point.
(ii) A terminated line can be produced indefinitely.
(iii) A circle can be drawn with any centre and any radius.
(iv) All right angles are equal to one another.
(v) 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 angles are less than two right angles.

Statements : A sentence which is either true or false but not both, is called a statement.

eg. (i) 4+9=6 If is a false sentence, so it is a statement.

(ii) Sajnay is tall. This is not a statement because he may be tall for certain persons and may not be taller for others.
Theorems : A statement that requires a proof is called a theorem.

eg. (i) The sum of the angles of triangle is 1800.

(ii) The angles opposite to equal sides of a triangles are equal.
Corollary – Result deduced from a theorem is called its corollary.

#### Class 9 Mathematics Euclids Geometry Important Questions and Answers

(1) Euclid stated that if equals are subtracted from equals, the remainders are equals in the forms of
(a) an axiom
(b) a postulate
(c) a definition
(d) a proof

Ans.

(a)

(2) Euclid stated that all right angles are equals to each other in the form of
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof

Ans.

(c)

(3) Which of the following needs a proof:
(a) Theorem
(b) Axiom
(c) Definition
(d) Postulate

Ans.

(a)

(4) The number of dimensions, a solid has
(a) 1
(b) 2
(c) 3
(d) 0

Ans.

(c)

(5) The number of dimensions a surface has :
(a) 1
(b) 2
(c) 3
(d) 0

Ans.

(b)

(6) The number of dimensions, a point has
(a) 0
(b) 1
(c) 2
(d) 3

Ans.

(a)

(7) Which one of the following statement is true?
(a) Only one line can pass through a single point.
(b) There are infinite number of lines which pass through two distinct points.
(c) Two distinct lines cannot have more than one point in common.
(d) If two circles are equal, then their radii are not equal.

Ans.

(c)

(8) Euclid divided his famous treatise “The Element” into
(a) 13 chapters
(b) 12 Chapters
(c) 11 Chapters
(d) 9 Chapters

Ans.

(a)

(9) Thales belongs to the country.
(a) Babylonia
(b) Egypt
(c) Greece
(d) Rome

Ans.

(c)

## Assignments for Class 9 Mathematics Euclids Geometry as per CBSE NCERT pattern

Some advantages of Free Assignments for Class 9 Mathematics Euclids Geometry

1. Solving Assignments for Mathematics Euclids Geometry Class 9 helps to further enhance understanding of the topics given in your text book which will help you to get better marks
2. By solving one assignments given in your class by Mathematics Euclids Geometry teacher for class 9 will help you to keep in touch with the topic thus reducing dependence on last minute studies
3. You will be able to understand the type of questions which are expected in your Mathematics Euclids Geometry class test
4. You will be able to revise all topics given in the ebook for Class 9 Mathematics Euclids Geometry as all questions have been provided in the question banks
5. NCERT Class 9 Mathematics Euclids Geometry Workbooks will surely help you to make your concepts stronger and better than anyone else in your class.
6. Parents will be able to take print out of the assignments and give to their child easily.

All free Printable practice assignments are in PDF single lick download format and have been prepared by Class 9 Mathematics Euclids Geometry teachers after full study of all topics which have been given in each chapter so that the students are able to take complete benefit from the worksheets. The Chapter wise question bank and revision assignments can be accessed free and anywhere. Go ahead and click on the links above to download free CBSE Class 9 Mathematics Euclids Geometry Assignments PDF.

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