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  • Class 9 Maths Study Material

An Educational platform for Preparation and Practice Class 9. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 9. This study material help Class 9, Maths students in learning every aspect of Quadrilaterals. Students can understand Quadrilaterals concept easily and consolidate their learning by doing Online Practice Tests on Maths,Quadrilaterals chapter repeatedly till they excel in Class 9, Quadrilaterals. Free ONLINE PRACTICE TESTS on Class 9, Quadrilaterals comprise of Hundreds of Questions on Quadrilaterals, prepared by the highly professionals team. Every repeat test of Quadrilaterals will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Quadrilaterals. Attempt ONLINE TEST on Class 9,Maths,Quadrilaterals in Academics section after completing this Quadrilaterals Question Answer Exercise.

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  • Topic wise:Quadrilaterals preparation in the form of QUESTION & ANSWER.
  • Evaluate preparation by doing ONLINE TEST of Class 9, Maths,Quadrilaterals.
  • Review performance in PRACTICE TEST and do further learning on weak areas.
  • Attempt repeat ONLINE TESTS of Maths Quadrilaterals till you excel.
  • Evaluate your progress by doing ONLINE MOCK TEST of Class 9, Maths, All TOPICS.

In rectangle ABCD, diagonals AC and BD intersect at T. If BD=60 and TC=x+10, then the value of x is

a)        15 cm         
b)        10 cm 
c)        20 cm
d)        12 cm 

Correct Answer Is :        20 cm
Solution Is :
The diagonals of a parallelogram PQRS intersect at O. If angle QOR=90°, angle QSR=40° then angle OPQ=

a)         70°
b)         50°
c)         60°
d)         120°

Correct Answer Is :         50°
Solution Is :
In the adjoining figure, D, E and F are the mid-points of sides BC, CA and AB of triangle ABC. If AB=3cm, BC=4 cm and CA=4cm, then perimeter of triangle DEF is

a)        10
b)        5.5
c)        8
d)        12

Correct Answer Is :        5.5
Solution Is :
Which of the following statements is true:

a)        Diagonals of a rectangle are perpendicular to each other
b)        A kite is a parallelogram whose adjacent sides are equal
c)        Diagonals of a rhombus are perpendicular to each other
d)        Only one pair of sides of a parallelogram are parallel

Correct Answer Is :        Diagonals of a rhombus are perpendicular to each other
Solution Is :
The quadrilateral formed by joining the mid-points of the sides of a rectangle taken in order is a

a)        rhombus
b)        rectangle
c)        square
d)        kite

Correct Answer Is :        rhombus
Solution Is :
In the adjacent figure, PQRS is a parallelogram. The bisectors of angles P and Q intersect at O. Then the angle POQ is

a)        straight angle
b)        obtuse angle
c)        acute angle
d)        right angle

Correct Answer Is :        right angle
Solution Is :
In the adjoining figure, ABCD and AEFG are two parallelograms. If angle C=80° then angle GFE is

a)        30°
b)        80°
c)        60°
d)        120°

Correct Answer Is :        80°
Solution Is :
Points A, B, C, and D are midpoints of the sides of square PQRS.  If the area of PQRS is 48, the area of ABCD is     

a)         24
b)         36
c)         12
d)         18

Correct Answer Is :         24
Solution Is :
The sides of a rhombus are equal to one of its diagonals. The smallest angle of a rhombus is

a)        60°
b)        90°
c)        45°
d)        30°

Correct Answer Is :        60°
Solution Is :
Three angles of a quadrilateral are 80°,70° and 140°. The fourth angle is

a)        90°
b)        70°
c)        110°
d)        80°

Correct Answer Is :        70°
Solution Is :
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