If `a,b in N`, PQRS is a square and P, Q, R, S are mid points of AB, AD, CD, BC respectively then a+b is

If ABCD be a rectangle and P, Q, R, S be the mid-points of AB, BC, CD and DA respectively, then the area of the quadrilateral PQRS is equal to

If DeltaABC is a equilateral triangle and P, Q, R are mid-points of sides AB, BC and CA respectively then-

A B C D is a rhombus and P ,\ Q ,\ R ,\ S are the mid-points of A B ,\ B C ,\ C D ,\ D A respectively. Prove that P Q R S is a rectangle.

A ABCD is a rhombus and P,Q,R,S are the mid-points of AB,BC,CD,DA respectively.Prove that o+PQRS is a rectangle.

ABCD is a rectangle and P,Q,R and S are mid- points of the sides AB,BC,CD and DA respectively.Show that the quadrilateral PQRS is a rhombus.

Let ABCD be a rectangle. Let P, Q, R, S be the mid-points of sides AB, BC, CD, DA respectively. Then the quadrilateral PQRS is a

ABCD is a square. P, Q, R, S are points on the sides AB. BC, CD, DA respectively such that AP = BQ = CR = DS. What is angleSPQ equal to ?

ABCD is a rectangle formed by the points A(1," "1)," "B(1," "4)," "C(5," "4)" "a n d" "D(5," "1) . P, Q, R and S are the midpoints of AB, BC, CD and DA respectively. Is the quadrilateral PQRS a square? A rectangle? or a rhombus? Justify yo

In the given figure, ABCD is a rectangle in which AB = 40 cm and BC = 25 cm. If P. Q, R, S be the midpoints of AB, BC, CD and DA respectively, find the area of the shaded region.