Question 2 :
State whether the following statements are true or false<br>The diagonals of a rhombus intersect at right angles.
Question 3 : <span>State true or false:</span><div><br/></div><div>In a parallelogram, the diagonals intersect at right angles</div>
Question 6 :
The sum of two opposite angles of a parallelogram is $130^o$. Find the measure of each of its angles
Question 7 :
The perimeter of a parallelogram is 38 cm. If the longer side is 11 cm, find the length of shorter side.
Question 9 :
In parallelogram ABCD, CB $=$ 6cm, AF $=$ 8cm. If AB $=$12 cm, then CE equals
Question 11 :
The length of the diagonals of a rhombus are $16cm$ and $12cm.$ The length of each side of the rhombus is
Question 12 :
Choose the correct alternative answer and fill in the blank. If all pairs of adjacent sides of a quadrilateral are congruent then it is called ....
Question 13 : <div><span>State true or false:</span></div>For the case of a parallelogram the bisectors of any two adjacent angles intersect at $90^{0}$.<br/>
Question 14 :
ABCD is a quadrilateral whose diagonal AC divides it into two parts equal in area, then <span>ABCD is :</span>
Question 15 :
In parallelogram ABCD, if $ \angle A = 2x + 15^{\circ}, \angle B = 3x - 25^{\circ}, $ then value of $x$ is :<br/>
Question 16 :
The point of intersection of the diagonals of a quadrilateral divides one diagonal in the ratio $1 : 2 .$ Can it be a parallelogram?
Question 17 :
A school was having 4 Hexagonal buildings joined to each other. They wanted to utilize the space between the 4 buildings to make a playground. The shape is that of a parallelogram. Can you find the measure of the angles as opposite angles are equal?
Question 18 :
If $(3, -4)$ and $(-6, 5)$ are the extremities of a diagonal of a parallelogram and $(2, 1)$ is its third vertex , then its forth vertex is
Question 19 :
Points X and Y are taken on the sides QR and RS, respectively of a parallelogram PQRS, so that $QX=4\:XR$ and $RY=4\:YS$. The line XY cuts the line PR at Z. Find the ratio $PZ:ZR$
Question 20 :
Let ABCD be a parallelogram such that AB = q , AB = p, and $\angle BAD $ be an acute angle. If r is the vector that coincides with the altitude directed from the vertex B to the side AD, then r is given by
