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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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##### Which of the following quadrilaterals is a rhombus

a)         All four sides are equal
b)         Opposite sides are equal
c)         Opposite sides are parallel
d)         Angle between the diagonals is 60°

a)         45°
b)         60°
c)         75°
d)         90°

a)         30°
b)         72°
c)         60°
d)         108°

##### A parallelogram need not be a rectangle if

a)        diagonals are congruent
b)        diagonals bisect the angles to which they are drawn.
c)        diagonals are perpendicular to each other.
d)        opposite sides are parallel

a)        45
b)        90
c)        120
d)        140

##### If two consecutive sides of a rhombus are represented by  4x - 8  and  2x + 6,  then the perimeter of the rhombus is

a)        80
b)        60
c)        40
d)        76

##### The area of a rhombus is

a)        1/2 x product of the diagonals
b)        product of diagonals
c)         1/3 x product of the diagonals
d)         1/4 x product of the diagonals

##### In the adjoining figure ABCD is a rhombus where AC=8cm and BD=6cm then BC equals to a)         7 cm
b)        10 cm
c)        5 cm
d)        12 cm

##### In a quadrilateral ABCD, angle A plus angle C is 2 times angle B plus angle D. If angle A=40° then angle B equals to

a)         60°
b)    75°
c)         110°
d)    None of the above

##### Which property is not true for all trapezoids?

a)         Only two opposite sides are parallel.
b)         Angles of opposite parallel sides are equal
c)         Two opposite sides are non-parallel
d)         All angles are equal.

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