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Chapters
2: Compound Interest (Without using formula)
3: Compound Interest (Using Formula)
4: Expansions (Including Substitution)
5: Factorisation
6: Simultaneous (Linear) Equations (Including Problems)
7: Indices (Exponents)
8: Logarithms
9: Triangles [Congruency in Triangles]
10: Isosceles Triangles
11: Inequalities
12: Mid-point and Its Converse [ Including Intercept Theorem]
13: Pythagoras Theorem [Proof and Simple Applications with Converse]
14: Rectilinear Figures [Quadrilaterals: Parallelogram, Rectangle, Rhombus, Square and Trapezium]
▶ 15: Construction of Polygons (Using ruler and compass only)
16: Area Theorems [Proof and Use]
17: Circle
18: Statistics
19: Mean and Median (For Ungrouped Data Only)
20: Area and Perimeter of Plane Figures
21: Solids [Surface Area and Volume of 3-D Solids]
22: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]
23: Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios]
24: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle]
25: Complementary Angles
26: Co-ordinate Geometry
27: Graphical Solution (Solution of Simultaneous Linear Equations, Graphically)
28: Distance Formula
![Selina solutions for Concise Mathematics [English] Class 9 ICSE chapter 15 - Construction of Polygons (Using ruler and compass only) - Shaalaa.com](/images/concise-mathematics-english-class-9-icse_6:b313c06da7fb4b0f885a06c3b5e4e4fa.jpg "Selina solutions for Concise Mathematics [English] Class 9 ICSE chapter 15 - Construction of Polygons (Using ruler and compass only)")
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Solutions for Chapter 15: Construction of Polygons (Using ruler and compass only)
Below listed, you can find solutions for Chapter 15 of CISCE Selina for Concise Mathematics [English] Class 9 ICSE.
Selina solutions for Concise Mathematics [English] Class 9 ICSE 15 Construction of Polygons (Using ruler and compass only) Exercise 15 [Page 190]
Construct a quadrilateral ABCD, when:
AB = 3.2 cm, BC = 5.2 cm, CD = 6.2 cm, DA = 4.2 cm and BD = 5.2 cm.
Construct a quadrilateral ABCD, when:
AB = 7.2 cm, BC = 5.8 cm, CD = 6.3 cm, AD = 4.3 cm and angle A = 75°.
Construct a quadrilateral ABCD, when:
∠ A = 90o, AB = 4.6 cm, BD = 6.4 cm, AC = 6.0 cm and CD = 4.2 cm.
Construct a quadrilateral ABCD, when:
AB = 3.8 cm, AC = 4.8 cm, AD = 2.8 cm, angle A = 105° and angle B = 60°.
Construct a quadrilateral ABCD, when:
BC = 7.5 cm AC = 5.8 cm, AD = 3.6 cm, CD = 4.2 cm and angle A = 120°.
Construct a quadrilateral ABCD, when:
AD = AB = 4 cm, BC = 2.8 cm, CD = 2.5 cm and angle BAD = 45°.
Construct a quadrilateral ABCD, when:
AB = 6.3 cm, BC = CD = 4.2 cm and ∠ABC = ∠BCD = 90°.
Construct a parallelogram ABCD, when:
AB = 4.4 cm, AD = 6.2 cm and AC = 4.8 cm.
Construct a parallelogram ABCD, when:
Diagonal AC = 6.4 cm, diagonals BD = 8.2 cm and angle between the diagonals = 60°.
Construct a parallelogram ABCD, when:
AB = 5.8 cm, diagonal AC = 8.2 cm and diagonal BD = 6.2 cm.
Construct a parallelogram ABCD, when:
AB = 6.0 cm, AD = 5.0 cm and ∠A = 45°.
Construct a parallelogram ABCD, when:
Base AB = 6.5 cm, BC = 4 cm and the altitude corresponding to AB = 3.1 cm.
Construct a parallelogram ABCD, when:
AB = 4.5 cm, ∠B = 120° and the distance between AB and DC = 3.0 cm.
Construct a parallelogram ABCD, when:
Base BC = 5.6 cm, diagonal BD = 6.5 cm and altitude = 3.2 cm.
Construct a rectangle ABCD, when:
Its sides are 6.0 cm and 7.2 cm.
Construct a rectangle ABCD, when:
One side = 4 cm and one diagonal is 5 cm. Measure the length of the other side.
Construct a rectangle ABCD, when:
One diagonal = 6.0 cm and the acute angle between the diagonals = 45o.
Construct a rectangle ABCD, when:
Area = 24 cm2 and base = 4.8 cm2.
Construct a rectangle ABCD, when:
Area = 36 cm2 and height = 4.5 cm.
Construct a trapezium ABCD, when:
AB = 4.8 cm, BC = 6.8 cm, CD = 5.4 cm, angle B = 60o and AD // BC.
Construct a trapezium ABCD, when:
AB = CD = 3.2 cm, BC = 6.0 cm, AD = 4.4 cm and AD // BC.
Construct a rhombus ABCD, when:
Its one side = 6 cm and ∠A = 60o.
Construct a rhombus ABCD, when:
One side = 5.4 cm and one diagonal is 7.0 cm.
Construct a rhombus ABCD, when:
Diagonal AC = 6.3 cm and diagonal BD = 5.8 cm.
Construct a rhombus ABCD, when:
One side = 5.0 cm and height = 2.6 cm.
Construct a rhombus ABCD, when: A = 60° and height = 3.0 cm.
Construct a rhombus ABCD, when: Diagonal AC = 6.0 cm and height = 3.5 cm.
Construct a square ABCD, when: One side = 4.5 cm.
Construct a square ABCD, when: One diagonal = 5.4 cm.
Construct a square ABCD, when: Perimeter = 24 cm.
Construct a rhombus, having given one side = 4.8 cm and one angle = 75o.
Construct a regular hexagon of side 2.5 cm
Construct a regular hexagon of side 3.2 cm
Using ruler and compasses only, construct the quadrilateral ABCD, having given AB = 5 cm, BC = 2.5 cm, CD = 6 cm. angle BAD = 90o and the diagonal AC = 5.5 cm.
Using ruler and compasses only, construct a trapezium ABCD, in which the parallel sides AB and DC are 3.3 cm apart; AB = 4.5 cm, angle A = 120o BC = 3.6 cm and angle B is obtuse.
Using ruler and compasses only, construct the quadrilateral ABCD, having given AB = 5 cm, BC = 2.5 cm CD = 6 cm, ∠BAD = 90o and diagonal BD = 5.5 cm.
Using ruler and compasses only, construct a parallelogram ABCD using the following data: AB = 6 cm, AD = 3 cm and ∠DAB = 45o. If the bisector of ∠DAB meets DC at P,
prove that ∠APB is a right angle.
The perpendicular distance between the pair of opposite sides of a parallelogram are 3 cm and 4 cm, and one of its angles measures 60o. Using a ruler and compasses only,
construct the parallelogram.
Draw parallelogram ABCD with the following data:
AB = 6 cm, AD = 5 cm and ∠DAB = 45o.
Let AC and DB meet in O and let E be the mid-point of BC. Join OE.
Prove that:
(i) OE // AB
(ii) OE = `1/2` AB.
Using ruler and compasses only, construct a rectangle each of whose diagonals measure 6 cm and the diagonals interest at an angle of 45o.
Solutions for 15: Construction of Polygons (Using ruler and compass only)
Selina solutions for Concise Mathematics [English] Class 9 ICSE chapter 15 - Construction of Polygons (Using ruler and compass only)
Shaalaa.com has the CISCE Mathematics Concise Mathematics [English] Class 9 ICSE CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Concise Mathematics [English] Class 9 ICSE CISCE 15 (Construction of Polygons (Using ruler and compass only)) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Concise Mathematics [English] Class 9 ICSE chapter 15 Construction of Polygons (Using ruler and compass only) are Construction of Parallelograms, Construction of Trapezium, Construction of a Rectangle When Its Length and Breadth Are Given., Construction of Rhombus, To Construct a Regular Hexagon, Constructing a Quadrilateral, Square: Properties and Construction.
Using Selina Concise Mathematics [English] Class 9 ICSE solutions Construction of Polygons (Using ruler and compass only) exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Concise Mathematics [English] Class 9 ICSE students prefer Selina Textbook Solutions to score more in exams.
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