Understanding Q...

In parallelogram ABCD, AP and AQ are perpendiculars from vertex of obtuse angle A as shown. If $$\angle x : \angle y = 2 : 1$$ ; find angles of the parallelogram.

The perimeter of a parallelogram ABCD = 40 cm, AB = 3x cm, BC = 2x cm and CD = 2(y +1) cm. Find the values of x and y.

$$ABCD$$ is parallelogram. If $$L$$ and $$M$$ are the middle points of $$BC$$ and $$ CD $$, then $$ \overrightarrow {AL}+ \overrightarrow {AM}= $$

The bisectors of interior angles of a parallelogram forms a ___________.

PQRS is a parallelogram and M, N are the mid-points of PQ and RS respectively. Which of the following is not true ?

Look at the pairs of shapes Which is a pair of rectangles?

If an angle of a parallelogram is 24$$^o$$ less than twice the smallest angle, then the value of largest angle of the parallelogram is

In the given figure, ABCD is a parallelogram in which $$ \angle DAB $$ = 75$$^o$$ and $$\angle$$DBC = 60$$^o$$ then the measure of $$\angle$$BDC is equal to ?

A quadrilateral in which only one pair of opposite sides are parallel is called a ..........

In a parallelogram ABCD, $$\angle$$D = 135$$^o$$, determine the measure of $$\angle$$A .