All the interior angles of a rectangle measures degrees.

Land is acquired for road widening from a square ground, as shown in the figure. The width of the acquired land is $2 \mathrm{m}$. Area of the remaining ground is $440 {\mathrm{m}}^2$. What is the shape of the remaining ground?

The perimeter of a rectangle is 42 cm. If its diagonal is 15 cm long, find the breadth of the rectangle. 

(A) 8 cm. 

(B) 10 cm. 

(C) 9 cm. 

(D) 7 cm. 

X, Y and Z are the midpoints of the sides of ∆PQR. If the perimeter of ∆XYZ is 32 units, find the perimeter of ∆PQR.

 (A) 128 units 

(B) 64 units 

(C) 96 units 

(D) 160 units 

Which of the listed points describes a rectangle?

i. All sides are equal.

ii. Opposite sides are parallel and equal to each other.

iii. All the interior angles are right angles.

iv. Only one pair of opposite sides is parallel.

In a square all the sides are _____. (equal/unequal)

In the figure, the midpoints of the diagonals of a rhombus are joined to form a small quadrilateral:

Prove that this quadrilateral is a rhombus.

ABCD is a rectangle.

AC and BD intersect at O and form $ ∆\text{AOB},∆\text{BOC},∆\text{COD and}∆\text{DOA}$ . Identify the type of all these triangles ?

$ABCD$ is a rectangle, its diagonals meet at $O$. Find $x$, if $OA=2x+4$ and $OD=3x+1$.

The opposite sides of a rectangle intersect each other at a point. Is this statement true or false?