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CBSE Questions for Class 9 Maths Quadrilaterals Quiz 9 - MCQExams.com

In a quadrilateral ABCD, the point P divides DC in the ratio 1:2 and Q is the mid point of AC. If

\bar{A B} + \bar{2 A D} + \bar{B C} - \bar{2 D C} = k \bar{P Q} .

$\overline{AB}+\overline{2AD}+\overline{BC}-\overline{2DC}=k\overline{PQ}.$ then

k =

$k=$

If D is mid-point of the side BC of a triangle ABC and AD is perpendicular to AC then

\frac{a^{2} c^{2}}{b^{2}}

$\dfrac{a^2 c^2}{b^2}$ =

The mid point of the side of a triangle along with any of the vertices as the fourth point make a parallelogram of area=

In the figure, ABCD and PQRS are rectangles, where Q is the mid - point of AC then

Three angles of a quadrilateral are in the ratio 4 : 5 : 6 with the difference of

36^{0}

${ 36 }^{ 0 }$ between the largest and the smallest of the given three angles. The fourth angle of the quadrilateral would be

Let P, Q, R and S be the points on the plane with position vectors

- 2 \overset{\land}{i} - \overset{\land}{j}, 4 \overset{\land}{i}, 3 \overset{\land}{i}, 3 \overset{\land}{j}

$-2\overset { \wedge }{ i } -\overset { \wedge }{ j } ,4\overset { \wedge }{ i } ,3\overset { \wedge }{ i } ,3\overset { \wedge }{ j }$ and

- 3 \overset{\land}{i} + 2 \overset{\land}{j}

$-3\overset { \wedge }{ i } +2\overset { \wedge }{ j }$ respectively. The quadrilateral PQRS must be a

PQRS 5

∠ Q = 7 ∠ s, ∠ Q = . . . .

$\angle Q=7\angle s,\quad \angle Q=....$

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