NCERT solution Class 9 constructions

NCERT Solutions

Class 9 Maths

Constructions

NCERT Questions

Ex.11.1 Q.1
Ex.11.1 Q.2
Ex.11.1 Q.3
Ex.11.1 Q.4
Ex.11.1 Q.5
Ex.11.1 Q.6
Ex.11.2 Q.2
Ex.11.2 Q.3
Ex.11.2 Q.4
Ex.11.2 Q.5

Ex.11.1 Q.3

Construct the angles of the following measurements:

1. 30⁰

2. 22 ⁰

3. 15⁰

1. 30⁰

The below given steps will be followed to construct an angle of 30⁰.

Step I: Draw the given ray PQ. Taking P as centre and with some radius, draw an arc of a circle

which intersects PQ at R.

Step II: Taking R as centre and with the same radius as before, draw an arc intersecting the

previously drawn arc at point S.

Step III: Taking R and S as centre and with radius more than ,

draw arcs to intersect each other at T. Join PT which is the required ray making 30° with the given ray PQ.

2. 22 ⁰

The below given steps will be followed to construct an angle of 22 ⁰.

(1) Take the given ray PQ. Draw an arc of some radius, taking point P as its centre,

(2) Taking R as centre and with the same radius as before, draw an arc intersecting the previously drawn arc at S.

(3) Taking S as centre and with the same radius as before, draw an arc intersecting the arc at T.

(4) Taking S and T as centre, draw an arc of same radius to intersect each other at U.

(5) Join PU. Let it intersect the arc at point V.

(6) From R and V, draw arcs with radius more than to intersect each other at W.

Join PW.

(7) Let it intersect the arc at X. Taking X and R as centre and radius more than ,

draw arcs to intersect each other at Y.

Joint PY which is the required ray making with the given ray PQ.

3. 15⁰

The below given steps will be followed to construct an angle of 15⁰.

Step I: Draw the given ray PQ. Taking P as centre and with some radius, draw an arc of a circle which intersects PQ at R.

Step II: Taking R as centre and with the same radius as before, draw an arc.

Step III: Taking R and S as centre and with radius more than , draw arcs to intersect each other at T. Join PT.

Step IV: Let it intersect the arc at U. Taking U and R as centre and with radius more than ,

draw an arc to intersect each other at V.

Join PV which is the required ray making 15⁰ with the given ray PQ.

Video solution:

Constructions Class 9 Maths NCERT Chapter 11 NCERT Solutions

Solving NCERT textbook questions of Constructions Class 9 Maths NCERT Chapter 11 is a crucial step to gauge your understanding of the concepts. It provides you with an opportunity to assess your grasp of the material after learning each chapter. We have already provided solutions to all the exercises in the NCERT textbook of Class 9 Maths Constructions, available in various formats such as video, text, and downloadable PDFs. If you need assistance with any of the NCERT questions or any other academic topics, feel free to ask in the “Ask Questions” section of LearnoHub.com.

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Attempt to Solve Yourself: Before looking at the solution, try to solve or answer the question independently. This practice will help you test your knowledge and problem-solving skills.
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Refer to Solution Video (if needed): If you encounter difficulty or are unable to solve a question, you can refer to the NCERT solution video on Constructions Class 9 Maths NCERT Chapter 11 to get a step-by-step explanation of the correct approach. Pay attention to the reasoning and methodology used in the video.
Solve Again Yourself: Once you've understood the solution, attempt to solve the question again by yourself. Repetition and practice solidify your understanding of the concepts and improve retention.
Avoid Memorization: Focus on understanding the underlying principles and concepts behind each solution. Avoid simply memorizing the solutions, as this may hinder your ability to apply the knowledge in different contexts.
Attempt All Questions: Make an effort to attempt all the questions provided in the NCERT textbook. This comprehensive practice will help you cover the entire syllabus and reinforce your understanding across various topics. You may refer Class 9 Maths Constructions Online Test on LearnoHub.com.
Review and Revise: Regularly review the concepts and solutions you've learned. Revise your notes and practice regularly to retain the knowledge effectively. You may refer Constructions Class 9 Maths Notes.
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NCERT solutions of Constructions Class 9 Maths - all questions of all exercises are solved. Q. No. 1, 2, 3, and so on. Complete explanation and detailed solution makes them the best videos for Class 9 Maths Constructions NCERT solutions.