NCERT Class 9 Maths Constructions Questions

Read and download NCERT Class 9 Maths Constructions Questions chapter in NCERT book for Class 9 Constructions. You can download latest NCERT eBooks for 2021 chapter wise in PDF format free from This Constructions textbook for Class 9 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 9 Constructions to understand the answers of the exercise questions given at the end of this chapter

Constructions Questions Class 9 Constructions NCERT

Class 9 Constructions students should refer to the following NCERT Book chapter Constructions Questions in standard 9. This NCERT Book for Grade 9 Constructions will be very useful for exams and help you to score good marks

Constructions Questions NCERT Class 9

(A) Main Concepts and Results

• To bisect a given angle,

• To draw the perpendicular bisector of a line segment,

• To construct angles of 15°, 30°, 45°, 60°, 90°, etc.

• To construct a triangle given its base, a base angle and the sum of other two sides,

• To construct a triangle given its base, a base angle and the difference of other two sides,

• To construct a triangle given its perimeter and the two base angles

• Geometrical construction means using only a ruler and a pair of compasses as geometrical instruments.

(B) Multiple Choice Questions

Sample Question 1: With the help of a ruler and a compass, it is possible to construct an angle of :

(A) 35° (B) 40° (C) 37.5° (D) 47.5°

Solution : Answer (C)

Sample Question 2: The construction of a triangle ABC in which AB = 4 cm,

∠A = 60° is not possible when difference of BC and AC is equal to: (A) 3.5 cm (B) 4.5 cm (C) 3 cm (D) 2.5 cm
Solution : Answer (B)

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