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Selina solutions concise maths class 9 icse Solutions for Chapter 15 chapter 15 construction of polygons

Exercises in Chapter 15 chapter 15 construction of polygons Grade 9
Exercise 15
Questions in Exercise 15

Construct a quadrilateral ABCD, when:

AB=3.2 cm, BC = 5.2cm, CD = 6.2cm, DA = 4.2cm and BD = 5.2 cm

Construct a quadrilateral ABCD, when:

AB=7.2 cm, BC = 5.8cm, CD = 6.3cm, DA = 4.3cm and angle A = 75° .

Construct a quadrilateral ABCD, when:

AB=3.8 cm, AC = 4.8cm, AD = 2.8cm, angle A = 105° and angle B = 60°

Construct a quadrilateral ABCD, when:

BC=7.5 cm, AC = 5.8cm, AD = 3.6 cm, CD = 4.2cm and angle A = 120°

Construct a quadrilateral ABCD, when:

AD=AB = 4cm, BC = 2.8 cm, CD= 2.5cm and angle BAD = 45°

Construct a quadrilateral ABCD, when:

AB= 6.3cm, BC=CD=4.2cm and ∠ABC=∠BCD=90° .

Construct a parallelogram ABCD, when:

AB=5.8cm, diagonal AC = 8.2cm and diagonal BD=6.2 cm.

Construct a parallelogram ABCD, when:

AB=6.0 cm, AD=5.0cm and ∠A=45° .

Construct a parallelogram ABCD, when:

AB = 4.5 cm, ∠B= 120° and the distance between AB and DC = 3.0cm

Construct a parallelogram ABCD, when:

Base BC=5.6cm, diagonal BD=6.5 cm and altitude=3.2cm

Construct a rectangle ABCD, when:

Its sides are 6.0 cm and 7.2 cm.

Construct a rectangle ABCD, when:

One side = 4cm and one diagonal is 5cm. Measure the length of the other side.

Construct a rectangle ABCD, when:

Area= 36 cm2 and height = 4.5cm.

Construct a trapezium ABCD, when:

AB= 4.8cm, BC= 6.8cm, CD=5.4cm, angle B=60° and AD||BC.

Construct a rhombus ABCD, when:

It’s one side=6cm and ∠A=60° .

Construct a rhombus ABCD, when:

One side= 5.0 cm and height=2.6 cm.

Construct a rhombus ABCD, when:

∠A=60° and height = 2.6cm.

Construct a square ABCD, when:

One side = 4.5cm.

Construct a square ABCD, when:

One diagonal = 5.4 cm.

Construct a square ABCD, when:

Perimeter = 24cm

Using ruler and compasses only, construct the quadrilateral ABCD, having given AB=5cm, BC=2.5cm, CD=6cm, ∠BAD=90° and diagonal BD=5.5cm

Chapters in this book
Chapter 1- Rational and Irrational Numbers
Chapter 2- Compound Interest [Without Using Formula
Chapter 3- Compound Interest [Using Formula
Chapter 4- Expansions
Chapter 5- Factorisation
Chapter 6- Simultaneous Equations
Chapter 7- Indices [exponents]
Chapter 8- Logarithms
Chapter 9- Triangles [Congruency in Triangles]
Chapter 10- Isosceles Triangle
Chapter 11- Inequalities
Chapter 12- Mid-Point and Its Converse
Chapter 13- Pythagoras Theorem
Chapter 14- Rectilinear Figures
Chapter 15- Construction of Polygons
Chapter 16- Area Theorems
Chapter 17- Circles
Chapter 18- Statistics
Chapter 19- Mean and Median
Chapter 20- Area and Perimeter of Plane Figures
Chapter 21- Solids
Chapter 22- Trigonometrical Ratios
Chapter 23- Trigonometrical Ratios of Standard Angles
Chapter 24- Solution Of Right Triangles
Chapter 25- Complementary angles
Chapter 26- Co-ordinate Geometry
Chapter 27- Graphical Solution
Chapter 28- Distance Formula
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