Quadrilaterals Class-9th RS Aggarwal ICSE Mathematics Solutions Goyal Brothers Prakashan Chapter-11.  We provide step by step Solutions of Exercise / lesson-11 Quadrilaterals for ICSE Class-9 RS Aggarwal Mathematics .

Our Solutions contain all type Questions with Exe-11 A and Exe-11 B to develop skill and confidence. Visit official Website CISCE for detail information about ICSE Board Class-9 Mathematics.

## Quadrilaterals Class-9th RS Aggarwal ICSE Mathematics Solutions Goyal Brothers Prakashan Chapter-11

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Exercise 11 A,

Exercise-11 B,

### Exercise – 11 A, Quadrilaterals Class-9th RS Aggarwal ICSE Mathematics Solutions Goyal Brothers Prakashan

Question 1

In the given figure ABCD is a parallelogram ……..

ABCD is a parallelogram  Question 2

In the given figure ABCD is a parallelogram ……..

ABCD is a parallelogram

Side DC is produced  to E  Question 3

If an angle …………..parallelogram

In  parallelogram ABCD  Question 4

…………

ABCD is a parallelogram BD is joined Question 5

………………….

ABCD is a rhombus  Question 6

…………………..

In the figure ABCD square and  Question 7

…………………

ABCD is a rhombus and its diagonal bisects each other at right angels at O Question 8

……………….

ABCD is rectangels and its diagonals AC and BD bisect each other at O

Diagonal AC is produced to E such that .

Diagonal AC is produced to E such that Angel ECD = 140 ‘ Question 9

……………..

In the figure

ABCD is a kite  Question 10

………………….

ABCD is an Isosceles trapezium in which  Question 11

……………….

In trapezium ABCD Question 12

……………….

(I) ABCD is rhombus and Δ EDC is an equilateral . Question 13

…………………….

ABCD is square and triangle ECD is an equilateral triangels Diagonal BD and CE hence x=75

Question 14

………………….  Question 15

……………………

Given ABCD and PQBA are two parallelogram PD and QC are joined  Hence proved

Question 16

………………..

Given ABCD is parallelogram Hence proved

Question 17

………………..

Given ABCD is parallelogram

X is mid point of BC .

AX is joined and produced at Q from B , BP is a parallelogram Hence proved

Question 18

………………

Given ABCD is parallelogram Hence proved

Question 19

…………..

Given ABCD is parallelogram X and Y are points on diagonal BD such that DX = BY Hence proved

Question 20

…………..

Given ABCD is parallelogram  In quadrilateral PQRS , its each angle is of 90

So PQRS is rectangle

Hence proved

Question 21

……………

Given ABCD is parallelogram  ABCD is rhombus

But diagonal of a rhombus  bisect each other at right angles

So AC and BD are perpendicular to each oyher

hence proved

Question 22

……………..

Given ABCD is parallelogram E is mid point of BC , DE and AB are produce to meet at F hence proved

### Quadrilaterals Class-9th RS Aggarwal ICSE Mathematics Solutions Goyal Brothers Prakashan Exercise – 11 B

Question 1

Construct a quadrilateral PQRS in which PQ=4 cm …………….

Steps of construction

(i) Draw a line segment PQ = 4 cm Then PQRS is the required quadrilateral

Question 2

Construct a quadrilateral ABCD in which…………..

Steps of construction  Then ABCD is the required quadrilateral

Question 3

Construct a quadrilateral ABCD in which…………..

Steps of construction

(i) Draw  a line segment BC = 4.7 cm  Question 4

Construct a quadrilateral UVWZ in which………..

Steps of construction

(i) Draw  a line segment UV = 6 cm Question 5

Construct a quadrilateral PQRS in which……….

Steps of construction

(i) Draw  a line segment QR = 5.6 cm  Question 6

Draw a quadrilateral ABCD in which …………

Steps of construction

(i) Draw  a line segment QR = 5.6 cm  Question 7

……………

Steps of construction

(i) Draw  a line segment QR = 5.6 cm Question 8

……………

Steps of construction

(i) Draw  a line segment QR = 6 cm Then ABCD is required parallelogram

Question 9

……………….

Steps of construction

(i) Draw  a line segment PQ = 2.8 cm Then PQRS is required parallelogram

Question 10

…………..

Steps of construction

(i) Draw  a line segment BC = 5cm Then ABCD is required parallelogram

Question 11

……………

Steps of construction

(i) Draw  a line segment BC = 4.5 cm  Then ABCD is required parallelogram

Question 12

Steps of construction

(i) Draw  a line segment BC = 5.6 cm  Then ABCD is required parallelogram

Question 13

…………….

Steps of construction

(i) Draw  a line segment BC = 4.7cm Then ABCD is required rectangle .

Question 14

…………….

Steps of construction

(i) Draw  a line segment BC = 4.5cm  Then ABCD is required rectangle .

Question 15

Construct a rectangle ABCD ……………..

Steps of construction

(i) Draw  a line segment BC = 6.3cm Then ABCD is required rectangle .

Question 16

……………..

Steps of construction

(i) Draw  a line segment BC = 6 cm Then ABCD is required square.

Question 17

………………….

Steps of construction

(i) Draw  a line segment BC = 4.3cm  Then ABCD is required rhombus .

Question 18

………………….

Steps of construction

(i) Draw  a line segment BC = 6.8cm Then ABCD is required rhombus .

Question 19

………………

Steps of construction

(i) Draw  a line segment BC = 5.8cm  Then ABCD is required rhombus .

Question 20

……………….

Steps of construction

(i) Draw  a line segment BC = 5.6cm Question 21

………………..

We know that each angle of a regular hexagon = 120‘

Steps of construction

(i) Draw  AB =2 cm Question 22

………………

We know that each angle of a regular hexagon = 120‘

Steps of construction

(i) Draw  AB =3.5 cm –: End of Quadrilaterals Class-9th RS Aggarwal Solutions  :–

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