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# Introduction to Euclid’s Geometry

9th Class - CBSE - Mathematics - 152 Questions - 2 Concepts

## All Concepts

#### Important Questions

Q1 Single Correct Medium
Ashok starts from point $P$ and walks $5 kms$ to the East. Bharat starts from the same point and walks $5 kms$ to the West. Now, Ashok takes a left turn and Bharat takes a right turn, and both walks $5 kms$ and stop. How far are they from each other at the point where they finally stop?
• A. $10 kms$
• B. $15 kms$
• C. $5 kms$
• D. Can't be determined

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q2 Subjective Medium
State Euclid's fifth postulate. Using the same write the pairs of angles, having the Sum less than $180^{o}$. (from the figure given)

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q3 Subjective Hard
Construct  $\Delta PQR$ such that  $\angle R=100^o, QR = RP = 5.4 \,cm$.

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q4 Subjective Hard
What is the need of introducing axioms?

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q5 Subjective Medium
Give an example for the following axioms from your experience:
(b) the whole is greater than the part.

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q6 Single Correct Medium
Two distinct ________ lines cannot be parallel to the same line.
• A. Intersecting
• B. Non-intersecting
• C. Parallel
• D. None of these

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q7 Single Correct Medium
(i) Things which are equal to the same thing are equal to one another.
(ii) If equals are added to equals, the wholes are equal.
(iii) Things which are double of the same thing are equal to one another.
Check whether the given system of axioms is consistent or inconsistent.

• A. Consistent
• B. Inconsistent
• C. Either
• D. Neither

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q8 Single Correct Medium
Which of the following was not written in 'Kshetra vyavhar' chapter of Bhaskaracharya's Leelavati?
• A. Areas of triangles,quadrilaterals etc.
• B. Formula for volume of spheres.
• C. Formula for surface area of spheres.
• D. Approximate value of $\pi$.

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q9 Single Correct Medium
Which of the following is NOT a Euclid's postulate?
• A. We can describe a circle with any center and radius
• B. All right angles are equal to one another
• C. There is a unique line that passes through two given points
• D. Through a point not on a given line, exactly one parallel line may be drawn to the given line

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Q10 Subjective Medium
Use Euclid's division lemma to show that the cube of any positive integer is of form $7m$ or $7m+1$ or $7m+6$.

Asked in: Mathematics - Introduction to Euclid’s Geometry

1 Verified Answer | Published on 09th 09, 2020

Questions 120431
Subjects 10
Chapters 88
Enrolled Students 151