NCERT Solutions Class 9 Mathematics Chapter 11 Construction
Exercise 11.1 Q.1) Construct an angle of 90° at the initial point of a given ray and justify the construction. Sol.1) Steps of construction: i) Let us take a ray AB with initial point A. ii) Taking A as a centre & some radius, draw an arc of a circle, which…
CBSE Class 9 Maths Constructions MCQs
Question. The construction of a ΔLMN in which LM = 8 cm, ∠L = 45° is possible when (MN + LN) is _____ . (A) 6 cm (B) 7 cm (C) 9 cm (D) 5 cm' Answer : C Question. Which of the following options is INCORRECT? (A) An angle of 52.5° can be constructed. (B) A…
CBSE Class 9 Mathematics Constructions Worksheet
Question. If we bisect a line segment of length 3.5 cm, then the measure of each of equal parts will be (a) 7 cm (b) 1.75 cm (c) 1.25 cm (d) 5.5 cm Answer : B Question. Perpendicular bisector of a line segment divides it into (a) infinite equal parts (b) two equal…
CBSE Class 9 Mathematics Geometric Constructions Notes
CBSE Class 9 Concepts for Geometric Constructions. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE…
CBSE Class 9 Constructions Assignment Set A
Question. To draw a pair of tangents to a circle which are inclined to each other at an angle of 30°, it is required to draw tangents at end points of those two radii of the circle, the angle between them should be (a) 150° (b) 90° (c) 60° (d) 120° Answer : A Question.…
CBSE Class 9 Mathematics Construction VBQs
CONSTRUCTION Question. Delhi traffic police wants to make a traffic signal board of the shape of an equilateral triangle of side 5 m to make the people aware of the traffic rules. Construct the above traffic signal board by taking each side as 5 cm (instead of m). What value…
CBSE Class 9 Constructions Assignment Set B
Q 1 Draw an angle of 135 using ruler and compasses only.Q 2 Draw a line segment of length 8 cm. Bisect it and measure the length of each part.Q 3 Construct an equilateral triangle whose altitude is 4 cm.Q 4 Constructed a triangle ABC in which AB = 5.8 cm BC+CA = 8.4 cm and ∠.B…
CBSE Class 9 Constructions Assignment Set C
Key Concept (1) Use only ruler and compass while drawing constructions. (2) Protractor may be used for drawing non-standard angles. (3) Constructions of a triangle given its base, a base angle and the difference of the other two sides. (4) Constructions of a triangle given its…