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NCERT solutions Mathematics Class 9 chapter 11 Constructions

Chapters

NCERT Mathematics Class 9

Mathematics Textbook for Class 9

Chapter 11 - Constructions

Page 191

Construct an angle of 90° at the initial point of a given ray and justify the construction.

Q 1 | Page 191

Construct an angle of 45° at the initial point of a given ray and justify the construction.

Q 2 | Page 191

Construct the angles of the following measurement:- 30°

Q 3.1 | Page 191

Construct the angles of the following measurement:- `22 1/2^@`

 

Q 3.2 | Page 191

Construct the angles of the following measurement:- 15°

Q 3.3 | Page 191

Construct the 75° angles and verify by measuring it by a protractor.

Q 4.1 | Page 191

Construct the 105° angles and verify by measuring it by a protractor.

Q 4.2 | Page 191

Construct the 135° angles and verify by measuring it by a protractor.

Q 4.3 | Page 191

Construct an equilateral triangle, given its side and justify the construction.

Q 5 | Page 191

Page 195

Construct a triangle ABC in which BC = 7 cm, ∠B = 75° and AB + AC = 13 cm.

Q 1 | Page 195

Construct a triangle ABC in which BC = 8 cm, ∠B = 45° and AB − AC = 3.5 cm.

Q 2 | Page 195

Construct a triangle PQR in which QR = 6 cm, ∠Q = 60° and PR − PQ = 2 cm

Q 3 | Page 195

Construct a triangle XYZ in which ∠Y = 30°, ∠Z = 90° and XY + YZ + ZX = 11 cm.

Q 4 | Page 195

Construct a right triangle whose base is 12 cm and sum of its hypotenuse and other side is 18 cm.

Q 5 | Page 195

NCERT Mathematics Class 9

Mathematics Textbook for Class 9
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