#### Chapters

#### Balbharati Balbharati Class 9 Mathematics 2 Geometry

## Chapter 4: Constructions of Triangles

#### Chapter 4: Constructions of Triangles Exercise Practice Set 4.1 solutions [Page 53]

Construct Δ PQR, in which QR = 4.2cm m∠ Q = 40 ° and PQ + PR = 8.5cm

Construct Δ XYZ, in which YZ = 6 cm, XY + XZ = 9 cm.

∠ XYZ = 50°

Construct Δ ABC, in which BC = 6.2 cm, ∠ ACB= 50° , AB + AC = 9.8 cm

Construct Δ ABC, in which BC =5.2 cm, ∠ ACB = 45 ° and perimeter of Δ ABC is 10 cm.

#### Chapter 4: Constructions of Triangles Exercise Practice Set 4.2 solutions [Page 54]

Construct Δ XYZ, such that YZ = 7.4 cm, ∠XYZ = 45° and XY - XZ = 2.7 cm.

Construct Δ PQR, such that QR = 7.4 cm, ∠PQR= 60 ° and PQ - PR = 2.5 cm.

Construct Δ ABC, such that BC = 6 cm, ∠ABC = 100° and AC - AB = 2.5cm.

#### Chapter 4: Constructions of Triangles Exercise Practice Set 4.3 solutions [Page 56]

Construct Δ PQR, in which ∠Q = 70°, ∠R = 80° and PQ + QR + PR = 9.5 cm.

Construct Δ XYZ, in which ∠Y = 58°, ∠X = 46° and perimeter of triangle is 10.5 cm.

Construct Δ LMN, in which ∠M = 60°, ∠N = 80° and LM + MN + NL = 11 cm.

#### Chapter 4: Constructions of Triangles Exercise Problem Set 4 solutions [Page 56]

Construct Δ XYZ, such that XY + YZ =10.3 cm, YZ = 4.9 cm, ∠XYZ = 45° .

Construct Δ ABC, in which ∠B = 70°, ∠C = 60° , AB + BC + AC = 11.2 cm.

The perimeter of a triangle is 14.4 cm and the ratio of lengths of its side is 2 : 3 : 4. Construct the triangle.

Construct Δ PQR, in which PQ - PR = 2.4 cm, QR = 6.4 cm and ∠PQR = 55° .

## Chapter 4: Constructions of Triangles

#### Balbharati Balbharati Class 9 Mathematics 2 Geometry

#### Textbook solutions for Class 9

## Balbharati solutions for Class 9 Geometry chapter 4 - Constructions of Triangles

Balbharati solutions for Class 9 chapter 4 (Constructions of Triangles) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Balbharati Class 9 Mathematics 2 Geometry solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 9 Geometry chapter 4 Constructions of Triangles are Construction of Triangles, Perpendicular bisector Theorem.

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