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The figure obtained by joining midpoints of sides of rhombus, taken in order is

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Important Questions on Quadrilaterals

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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 8 - Quadrilaterals>MULTIPLE CHOICE QUESTIONS>Q 18
If APB,CQD are two parallel lines, then the bisectors of angles APQ,BPQ,CQP,PQD form
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 8 - Quadrilaterals>MULTIPLE CHOICE QUESTIONS>Q 19
If bisectors of ∠A & ∠B of quadrilateral ABCD intersect each other at P and the bisectors of ∠B & ∠C at Q, bisectors of ∠C & ∠D at R and that of ∠D & ∠A at S, then PQRS is a
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 8 - Quadrilaterals>MULTIPLE CHOICE QUESTIONS>Q 20
D&E are the midpoints of the sides AB&AC of △ABC & O is any point on side BC. O is joined to A. If P&Q are midpoints of OB&OC, then DEQP is
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 8 - Quadrilaterals>MULTIPLE CHOICE QUESTIONS>Q 21
The diagonals AC&BD of a parallelogram ABCD intersect each other at point O. If ∠DAC=35°& ∠AOB=72°, ∠DBC=?
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9th CBSE
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MATHEMATICS>Chapter 8 - Quadrilaterals>MULTIPLE CHOICE QUESTIONS>Q 22
Which of the following is not true for a parallelogram?
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MATHEMATICS>Chapter 8 - Quadrilaterals>TEST YOURSELF>Q 1
In a quadrilateral ABCD, the angles, A,B,C and D are in the ratio 1:2:3:4. Find the measure of each angles of the quadrilateral.
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MATHEMATICS>Chapter 8 - Quadrilaterals>TEST YOURSELF>Q 2
In a quadrilateral ABCD, AO and BO are bisectors of ∠A and ∠B respectively. Prove that ∠AOB=12(∠C+∠D)
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 8 - Quadrilaterals>TEST YOURSELF>Q 3
Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.