Question types

Quadrilaterals question types

143 questions across 5 question groups — pick any mix to generate a MATHEMATICS paper with step-by-step answer keys.

143
Questions
5
Question groups
5
Question types
Sample Questions

Quadrilaterals questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 10[3 marks sum]3 Marks
In the given figure, ABCD is a kite whose diagonals intersect at O . If $\angle DAB =54$ and $\angle BCD =76$, calculate :
(i) $\angle ODA$
(ii) $\angle OBC$.
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Q 11[4 marks sum]4 Marks
In the given figure, ABCD is a parallelogram. Side DC is produced to E and $\angle BCE =105$.
Calculate $\angle A , \angle B , \angle C$ and $\angle D$.
Image
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Q 13[4 marks sum]4 Marks
Which of the following quadrilaterals can you construct if you know the length of two its diagonals?
Parallelogram$\quad$Rectangle$\quad$Rhombus$\quad$Square
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Q 15[4 marks sum]4 Marks
In the adjoining figure, equilateral $\triangle E D C$ surmounts square ABCD . If $\angle DEB =x^{\circ}$, find the value of $x$.
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Q 17[5 marks sum]5 Marks
In the given figure, ABCD is a parallelogram and X, Y are points on diagonal BD such that DX = BY Prove that CXAY is a parallelogram.
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Q 18[5 marks sum]5 Marks
In the adjoining figure, ABCD is a parallelogram.
Line segments AX and CY bisect $\angle A$ and $\angle C$ respectively.
Prove that :
(i) $\triangle ADX \cong \triangle CBY$
(ii) $AX = CY$
(iii) $AX \| CY$
(iv) AYCX is a parallelogram.
Image
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Q 19[5 marks sum]5 Marks
In the given figure, ABCD is a rhombus and $\triangle EDC$ is equilateral.
If $\angle BAD =78$, calculate :
(i) $\angle CBE$
(ii) $\angle DBE$.
Image
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Q 20[5 marks sum]5 Marks
In the given figure, ABCD is an isosceles trapezium in which $\angle CDA =2 x$ and $\angle BAD =3 x$.
Find all the angles of the trapezium.
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Q 21MCQ1 Mark
The diagonals of a quadrilateral intersect at right angles and it has exactly one axis of symmetry. The quadrilateral is a:
  • A
    square
  • B
    rhombus
  • kite
  • D
    none of these

Answer: C.

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Q 22MCQ1 Mark
ABCD is a trapezium and P and Q are the mid-points of the diagonals of AC and BD . Then PQ is equal to:
  • A
    $\frac{1}{2} AB$
  • B
    $\frac{1}{2} CD$
  • $\frac{1}{2}( AB - CD )$
  • D
    $\frac{1}{2}( AB + CD )$

Answer: C.

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Q 23MCQ1 Mark
Diagonals of a quadrilateral ABCD bisect each other. If $\angle A =35^{\circ}$, then $\angle B$ is equal to:
  • $145^{\circ}$
  • B
    $135^{\circ}$
  • C
    $155^{\circ}$
  • D
    $35^{\circ}$

Answer: A.

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Q 24MCQ1 Mark
If bisectors of $\angle A$ and $\angle B$ of a parallelogram ABCD intersect each other at P , of $\angle B$ and $\angle C$ at Q , of $\angle C$ and $\angle D$ at R and of $\angle D$ and $\angle A$ at S , then PQRS is a:
  • rectangle
  • B
    rhombus
  • C
    parallelogram
  • D
    quadrilateral whose opposite angles are supplementary.

Answer: A.

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Q 25MCQ1 Mark
Assertion (A): Every square is a parallelogram.
Reason (R): In a square as well as in a parallelogram, the diagonals two diagonals are equal in length.
  • A is true, R is false
  • B
    A is false, R is true
  • C
    Both A and R are true
  • D
    Both A and R are false.

Answer: A.

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